1612457853 has 4 divisors (see below), whose sum is σ = 2149943808. Its totient is φ = 1074971900.

The previous prime is 1612457851. The next prime is 1612457921. The reversal of 1612457853 is 3587542161.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1612457853 - 2¹ = 1612457851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1612457851) 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, 268742973 + ... + 268742978.

It is an arithmetic number, because the mean of its divisors is an integer number (537485952).

Almost surely, 2^1612457853 is an apocalyptic number.

It is an amenable number.

1612457853 is a deficient number, since it is larger than the sum of its proper divisors (537485955).

1612457853 is an equidigital number, since it uses as much as digits as its factorization.

1612457853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537485954.

The product of its digits is 201600, while the sum is 42.

The square root of 1612457853 is about 40155.4212155719. The cubic root of 1612457853 is about 1172.6348326112.

The spelling of 1612457853 in words is "one billion, six hundred twelve million, four hundred fifty-seven thousand, eight hundred fifty-three".