36582815973 has 16 divisors (see below), whose sum is σ = 56011968000. Its totient is φ = 21004487280.

The previous prime is 36582815957. The next prime is 36582815981. The reversal of 36582815973 is 37951828563.

It is a happy number.

It is not a de Polignac number, because 36582815973 - 2⁴ = 36582815957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36582815903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29172273 + ... + 29173526.

It is an arithmetic number, because the mean of its divisors is an integer number (3500748000).

Almost surely, 2^36582815973 is an apocalyptic number.

36582815973 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

36582815973 is a deficient number, since it is larger than the sum of its proper divisors (19429152027).

36582815973 is a wasteful number, since it uses less digits than its factorization.

36582815973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58345832.

The product of its digits is 10886400, while the sum is 57.

The spelling of 36582815973 in words is "thirty-six billion, five hundred eighty-two million, eight hundred fifteen thousand, nine hundred seventy-three".