49136159665 has 8 divisors (see below), whose sum is σ = 59427671040. Its totient is φ = 38999408112.

The previous prime is 49136159573. The next prime is 49136159701. The reversal of 49136159665 is 56695163194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49136159665 - 2¹⁷ = 49136028593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38689255 + ... + 38690524.

It is an arithmetic number, because the mean of its divisors is an integer number (7428458880).

Almost surely, 2^49136159665 is an apocalyptic number.

It is an amenable number.

49136159665 is a deficient number, since it is larger than the sum of its proper divisors (10291511375).

49136159665 is a wasteful number, since it uses less digits than its factorization.

49136159665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77379911.

The product of its digits is 5248800, while the sum is 55.

The spelling of 49136159665 in words is "forty-nine billion, one hundred thirty-six million, one hundred fifty-nine thousand, six hundred sixty-five".