1957563652 has 18 divisors (see below), whose sum is σ = 3765479774. Its totient is φ = 889801440.

The previous prime is 1957563637. The next prime is 1957563653. The reversal of 1957563652 is 2563657591.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1778646276 + 178917376 = 42174^2 + 13376^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1957563596 and 1957563605.

It is not an unprimeable number, because it can be changed into a prime (1957563653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2021793 + ... + 2022760.

Almost surely, 2^1957563652 is an apocalyptic number.

It is an amenable number.

1957563652 is a deficient number, since it is larger than the sum of its proper divisors (1807916122).

1957563652 is a wasteful number, since it uses less digits than its factorization.

1957563652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044579 (or 4044566 counting only the distinct ones).

The product of its digits is 1701000, while the sum is 49.

The square root of 1957563652 is about 44244.3629403792. The cubic root of 1957563652 is about 1250.9461960164.

The spelling of 1957563652 in words is "one billion, nine hundred fifty-seven million, five hundred sixty-three thousand, six hundred fifty-two".