36601603613 has 4 divisors (see below), whose sum is σ = 36601987488. Its totient is φ = 36601219740.

The previous prime is 36601603607. The next prime is 36601603631. The reversal of 36601603613 is 31630610663.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31630610663 = 101 ⋅313174363.

It is a cyclic number.

It is not a de Polignac number, because 36601603613 - 2²² = 36597409309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36601603673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72818 + ... + 280188.

It is an arithmetic number, because the mean of its divisors is an integer number (9150496872).

Almost surely, 2^36601603613 is an apocalyptic number.

It is an amenable number.

36601603613 is a deficient number, since it is larger than the sum of its proper divisors (383875).

36601603613 is a wasteful number, since it uses less digits than its factorization.

36601603613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383874.

The product of its (nonzero) digits is 34992, while the sum is 35.

The spelling of 36601603613 in words is "thirty-six billion, six hundred one million, six hundred three thousand, six hundred thirteen".