1652919853 has 4 divisors (see below), whose sum is σ = 1780067548. Its totient is φ = 1525772160.

The previous prime is 1652919841. The next prime is 1652919883. The reversal of 1652919853 is 3589192561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3589192561 = 1889 ⋅1900049.

It can be written as a sum of positive squares in 2 ways, for example, as 914276169 + 738643684 = 30237^2 + 27178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1652919853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1652919797 and 1652919806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1652919883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63573828 + ... + 63573853.

It is an arithmetic number, because the mean of its divisors is an integer number (445016887).

Almost surely, 2^1652919853 is an apocalyptic number.

1652919853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1652919853 is a deficient number, since it is larger than the sum of its proper divisors (127147695).

1652919853 is a wasteful number, since it uses less digits than its factorization.

1652919853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127147694.

The product of its digits is 583200, while the sum is 49.

The square root of 1652919853 is about 40656.1170428264. The cubic root of 1652919853 is about 1182.3623680563.

It can be divided in two parts, 16 and 52919853, that multiplied together give a palindrome (846717648).

The spelling of 1652919853 in words is "one billion, six hundred fifty-two million, nine hundred nineteen thousand, eight hundred fifty-three".