36456749985 has 64 divisors (see below), whose sum is σ = 66524958720. Its totient is φ = 16933432320.

The previous prime is 36456749939. The next prime is 36456750041. The reversal of 36456749985 is 58994765463.

It is not a de Polignac number, because 36456749985 - 2¹⁸ = 36456487841 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120840 + ... + 295830.

It is an arithmetic number, because the mean of its divisors is an integer number (1039452480).

Almost surely, 2^36456749985 is an apocalyptic number.

It is an amenable number.

36456749985 is a deficient number, since it is larger than the sum of its proper divisors (30068208735).

36456749985 is a wasteful number, since it uses less digits than its factorization.

36456749985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175078.

The product of its digits is 195955200, while the sum is 66.

The spelling of 36456749985 in words is "thirty-six billion, four hundred fifty-six million, seven hundred forty-nine thousand, nine hundred eighty-five".