36958970881 has 4 divisors (see below), whose sum is σ = 42238823872. Its totient is φ = 31679117892.

The previous prime is 36958970861. The next prime is 36958970897. The reversal of 36958970881 is 18807985963.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36958970881 - 2⁵ = 36958970849 is a prime.

It is a super-2 number, since 2×36958970881² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36958970821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2639926485 + ... + 2639926498.

It is an arithmetic number, because the mean of its divisors is an integer number (10559705968).

Almost surely, 2^36958970881 is an apocalyptic number.

It is an amenable number.

36958970881 is a deficient number, since it is larger than the sum of its proper divisors (5279852991).

36958970881 is an equidigital number, since it uses as much as digits as its factorization.

36958970881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279852990.

The product of its (nonzero) digits is 26127360, while the sum is 64.

The spelling of 36958970881 in words is "thirty-six billion, nine hundred fifty-eight million, nine hundred seventy thousand, eight hundred eighty-one".