49251466791 has 24 divisors (see below), whose sum is σ = 71388722496. Its totient is φ = 32720163840.

The previous prime is 49251466769. The next prime is 49251466799. The reversal of 49251466791 is 19766415294.

49251466791 is a `hidden beast` number, since 4 + 92 + 5 + 1 + 466 + 7 + 91 = 666.

It is not a de Polignac number, because 49251466791 - 2⁶ = 49251466727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49251466799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3543231 + ... + 3557103.

It is an arithmetic number, because the mean of its divisors is an integer number (2974530104).

Almost surely, 2^49251466791 is an apocalyptic number.

49251466791 is a deficient number, since it is larger than the sum of its proper divisors (22137255705).

49251466791 is a wasteful number, since it uses less digits than its factorization.

49251466791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15223 (or 15220 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The spelling of 49251466791 in words is "forty-nine billion, two hundred fifty-one million, four hundred sixty-six thousand, seven hundred ninety-one".