38264081593 has 16 divisors (see below), whose sum is σ = 40939531920. Its totient is φ = 35636224000.

The previous prime is 38264081567. The next prime is 38264081599. The reversal of 38264081593 is 39518046283.

It can be written as a sum of positive squares in 8 ways, for example, as 14961448489 + 23302633104 = 122317^2 + 152652^2 .

It is a cyclic number.

It is not a de Polignac number, because 38264081593 - 2⁵ = 38264081561 is a prime.

It is a super-2 number, since 2×38264081593² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38264081599) 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 in 15 ways as a sum of consecutive naturals, for example, 3567723 + ... + 3578431.

It is an arithmetic number, because the mean of its divisors is an integer number (2558720745).

Almost surely, 2^38264081593 is an apocalyptic number.

It is an amenable number.

38264081593 is a deficient number, since it is larger than the sum of its proper divisors (2675450327).

38264081593 is a wasteful number, since it uses less digits than its factorization.

38264081593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12908.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 38264081593 in words is "thirty-eight billion, two hundred sixty-four million, eighty-one thousand, five hundred ninety-three".