38935021049377 has 2 divisors, whose sum is σ = 38935021049378. Its totient is φ = 38935021049376.

The previous prime is 38935021049341. The next prime is 38935021049503. The reversal of 38935021049377 is 77394012053983.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19938359327121 + 18996661722256 = 4465239^2 + 4358516^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38935021049377 is a prime.

It is not a weakly prime, because it can be changed into another prime (38935021044377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19467510524688 + 19467510524689.

It is an arithmetic number, because the mean of its divisors is an integer number (19467510524689).

Almost surely, 2^{38935021049377} is an apocalyptic number.

It is an amenable number.

38935021049377 is a deficient number, since it is larger than the sum of its proper divisors (1).

38935021049377 is an equidigital number, since it uses as much as digits as its factorization.

38935021049377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 38935021049377 in words is "thirty-eight trillion, nine hundred thirty-five billion, twenty-one million, forty-nine thousand, three hundred seventy-seven".