38929916880697 has 2 divisors, whose sum is σ = 38929916880698. Its totient is φ = 38929916880696.

The previous prime is 38929916880649. The next prime is 38929916880797. The reversal of 38929916880697 is 79608861992983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35090742977536 + 3839173903161 = 5923744^2 + 1959381^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38929916880697 is a prime.

It is not a weakly prime, because it can be changed into another prime (38929916880637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19464958440348 + 19464958440349.

It is an arithmetic number, because the mean of its divisors is an integer number (19464958440349).

Almost surely, 2^{38929916880697} is an apocalyptic number.

It is an amenable number.

38929916880697 is a deficient number, since it is larger than the sum of its proper divisors (1).

38929916880697 is an equidigital number, since it uses as much as digits as its factorization.

38929916880697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5079158784, while the sum is 85.

The spelling of 38929916880697 in words is "thirty-eight trillion, nine hundred twenty-nine billion, nine hundred sixteen million, eight hundred eighty thousand, six hundred ninety-seven".