49592985691 has 4 divisors (see below), whose sum is σ = 49611513952. Its totient is φ = 49574457432.

The previous prime is 49592985623. The next prime is 49592985709. The reversal of 49592985691 is 19658929594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19658929594 = 2 ⋅9829464797.

It is a cyclic number.

It is not a de Polignac number, because 49592985691 - 2²¹ = 49590888539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49592985791) 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, 9260115 + ... + 9265468.

It is an arithmetic number, because the mean of its divisors is an integer number (12402878488).

Almost surely, 2^49592985691 is an apocalyptic number.

49592985691 is a deficient number, since it is larger than the sum of its proper divisors (18528261).

49592985691 is a wasteful number, since it uses less digits than its factorization.

49592985691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18528260.

The product of its digits is 62985600, while the sum is 67.

The spelling of 49592985691 in words is "forty-nine billion, five hundred ninety-two million, nine hundred eighty-five thousand, six hundred ninety-one".