36881941838 has 16 divisors (see below), whose sum is σ = 63229759584. Its totient is φ = 15805653120.

The previous prime is 36881941807. The next prime is 36881941853. The reversal of 36881941838 is 83814918863.

It is a happy number.

It is a super-2 number, since 2×36881941838² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223106 + ... + 351482.

It is an arithmetic number, because the mean of its divisors is an integer number (3951859974).

Almost surely, 2^36881941838 is an apocalyptic number.

36881941838 is a deficient number, since it is larger than the sum of its proper divisors (26347817746).

36881941838 is a wasteful number, since it uses less digits than its factorization.

36881941838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148907.

The product of its digits is 7962624, while the sum is 59.

The spelling of 36881941838 in words is "thirty-six billion, eight hundred eighty-one million, nine hundred forty-one thousand, eight hundred thirty-eight".