36648536439 has 4 divisors (see below), whose sum is σ = 48864715256. Its totient is φ = 24432357624.

The previous prime is 36648536429. The next prime is 36648536453. The reversal of 36648536439 is 93463584663.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 36648536439 - 2¹² = 36648532343 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 (36648536429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6108089404 + ... + 6108089409.

It is an arithmetic number, because the mean of its divisors is an integer number (12216178814).

Almost surely, 2^36648536439 is an apocalyptic number.

36648536439 is a deficient number, since it is larger than the sum of its proper divisors (12216178817).

36648536439 is a wasteful number, since it uses less digits than its factorization.

36648536439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12216178816.

The product of its digits is 33592320, while the sum is 57.

The spelling of 36648536439 in words is "thirty-six billion, six hundred forty-eight million, five hundred thirty-six thousand, four hundred thirty-nine".