38960381377 has 2 divisors, whose sum is σ = 38960381378. Its totient is φ = 38960381376.

The previous prime is 38960381359. The next prime is 38960381381. The reversal of 38960381377 is 77318306983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38618538256 + 341843121 = 196516^2 + 18489^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38960381377 is a prime.

It is a super-2 number, since 2×38960381377² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (38960381347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19480190688 + 19480190689.

It is an arithmetic number, because the mean of its divisors is an integer number (19480190689).

Almost surely, 2^38960381377 is an apocalyptic number.

It is an amenable number.

38960381377 is a deficient number, since it is larger than the sum of its proper divisors (1).

38960381377 is an equidigital number, since it uses as much as digits as its factorization.

38960381377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 38960381377 in words is "thirty-eight billion, nine hundred sixty million, three hundred eighty-one thousand, three hundred seventy-seven".