38273641957 has 2 divisors, whose sum is σ = 38273641958. Its totient is φ = 38273641956.

The previous prime is 38273641927. The next prime is 38273641979. The reversal of 38273641957 is 75914637283.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27715257441 + 10558384516 = 166479^2 + 102754^2 .

It is a cyclic number.

It is not a de Polignac number, because 38273641957 - 2⁷ = 38273641829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38273641898 and 38273641907.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38273641907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19136820978 + 19136820979.

It is an arithmetic number, because the mean of its divisors is an integer number (19136820979).

Almost surely, 2^38273641957 is an apocalyptic number.

It is an amenable number.

38273641957 is a deficient number, since it is larger than the sum of its proper divisors (1).

38273641957 is an equidigital number, since it uses as much as digits as its factorization.

38273641957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The spelling of 38273641957 in words is "thirty-eight billion, two hundred seventy-three million, six hundred forty-one thousand, nine hundred fifty-seven".