49763864421 has 12 divisors (see below), whose sum is σ = 75664355520. Its totient is φ = 31429809000.

The previous prime is 49763864389. The next prime is 49763864461. The reversal of 49763864421 is 12446836794.

49763864421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49763864421 - 2⁵ = 49763864389 is a prime.

It is a super-2 number, since 2×49763864421² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49763864461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145508205 + ... + 145508546.

It is an arithmetic number, because the mean of its divisors is an integer number (6305362960).

Almost surely, 2^49763864421 is an apocalyptic number.

It is an amenable number.

49763864421 is a deficient number, since it is larger than the sum of its proper divisors (25900491099).

49763864421 is a wasteful number, since it uses less digits than its factorization.

49763864421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291016776 (or 291016773 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 49763864421 in words is "forty-nine billion, seven hundred sixty-three million, eight hundred sixty-four thousand, four hundred twenty-one".