38297904390965 has 16 divisors (see below), whose sum is σ = 46959093474048. Its totient is φ = 29971245525696.

The previous prime is 38297904390959. The next prime is 38297904390979. The reversal of 38297904390965 is 56909340979283.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 38297904390965 - 2⁶ = 38297904390901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38297904390892 and 38297904390901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40836347 + ... + 41763656.

It is an arithmetic number, because the mean of its divisors is an integer number (2934943342128).

Almost surely, 2^{38297904390965} is an apocalyptic number.

It is an amenable number.

38297904390965 is a deficient number, since it is larger than the sum of its proper divisors (8661189083083).

38297904390965 is a wasteful number, since it uses less digits than its factorization.

38297904390965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82602028.

The product of its (nonzero) digits is 793618560, while the sum is 74.

The spelling of 38297904390965 in words is "thirty-eight trillion, two hundred ninety-seven billion, nine hundred four million, three hundred ninety thousand, nine hundred sixty-five".