39292928897 has 4 divisors (see below), whose sum is σ = 39293846100. Its totient is φ = 39292011696.

The previous prime is 39292928893. The next prime is 39292928923. The reversal of 39292928897 is 79882929293.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18138971761 + 21153957136 = 134681^2 + 145444^2 .

It is a cyclic number.

It is not a de Polignac number, because 39292928897 - 2² = 39292928893 is a prime.

It is a super-2 number, since 2×39292928897² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39292928893) 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, 391022 + ... + 481127.

It is an arithmetic number, because the mean of its divisors is an integer number (9823461525).

Almost surely, 2^39292928897 is an apocalyptic number.

It is an amenable number.

39292928897 is a deficient number, since it is larger than the sum of its proper divisors (917203).

39292928897 is an equidigital number, since it uses as much as digits as its factorization.

39292928897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917202.

The product of its digits is 70543872, while the sum is 68.

The spelling of 39292928897 in words is "thirty-nine billion, two hundred ninety-two million, nine hundred twenty-eight thousand, eight hundred ninety-seven".