36491504987 has 16 divisors (see below), whose sum is σ = 42765553152. Its totient is φ = 30484265280.

The previous prime is 36491504983. The next prime is 36491504999. The reversal of 36491504987 is 78940519463.

36491504987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36491504987 - 2² = 36491504983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36491504983) 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, 217448 + ... + 346794.

It is an arithmetic number, because the mean of its divisors is an integer number (2672847072).

Almost surely, 2^36491504987 is an apocalyptic number.

36491504987 is a deficient number, since it is larger than the sum of its proper divisors (6274048165).

36491504987 is a wasteful number, since it uses less digits than its factorization.

36491504987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130378.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 36491504987 in words is "thirty-six billion, four hundred ninety-one million, five hundred four thousand, nine hundred eighty-seven".