39258862961 has 4 divisors (see below), whose sum is σ = 39287709924. Its totient is φ = 39230016000.

The previous prime is 39258862889. The next prime is 39258862969. The reversal of 39258862961 is 16926885293.

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 11646726400 + 27612136561 = 107920^2 + 166169^2 .

It is a cyclic number.

It is not a de Polignac number, because 39258862961 - 2²² = 39254668657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39258862961.

It is not an unprimeable number, because it can be changed into a prime (39258862969) 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, 14421440 + ... + 14424161.

It is an arithmetic number, because the mean of its divisors is an integer number (9821927481).

Almost surely, 2^39258862961 is an apocalyptic number.

It is an amenable number.

39258862961 is a deficient number, since it is larger than the sum of its proper divisors (28846963).

39258862961 is a wasteful number, since it uses less digits than its factorization.

39258862961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28846962.

The product of its digits is 11197440, while the sum is 59.

The spelling of 39258862961 in words is "thirty-nine billion, two hundred fifty-eight million, eight hundred sixty-two thousand, nine hundred sixty-one".