36982581864 has 128 divisors (see below), whose sum is σ = 98907402240. Its totient is φ = 11482877952.

The previous prime is 36982581859. The next prime is 36982581869. The reversal of 36982581864 is 46818528963.

It is an interprime number because it is at equal distance from previous prime (36982581859) and next prime (36982581869).

It is a super-2 number, since 2×36982581864² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36982581798 and 36982581807.

It is not an unprimeable number, because it can be changed into a prime (36982581869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33835302 + ... + 33836394.

It is an arithmetic number, because the mean of its divisors is an integer number (772714080).

Almost surely, 2^36982581864 is an apocalyptic number.

36982581864 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36982581864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49453701120).

36982581864 is an abundant number, since it is smaller than the sum of its proper divisors (61924820376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36982581864 is a wasteful number, since it uses less digits than its factorization.

36982581864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1895 counting only the distinct ones).

The product of its digits is 19906560, while the sum is 60.

The spelling of 36982581864 in words is "thirty-six billion, nine hundred eighty-two million, five hundred eighty-one thousand, eight hundred sixty-four".