49214267721 has 6 divisors (see below), whose sum is σ = 71087275610. Its totient is φ = 32809511808.

The previous prime is 49214267699. The next prime is 49214267731. The reversal of 49214267721 is 12776241294.

It can be written as a sum of positive squares in only one way, i.e., 48340178496 + 874089225 = 219864^2 + 29565^2 .

It is not a de Polignac number, because 49214267721 - 2¹¹ = 49214265673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49214267731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2734125976 + ... + 2734125993.

Almost surely, 2^49214267721 is an apocalyptic number.

It is an amenable number.

49214267721 is a deficient number, since it is larger than the sum of its proper divisors (21873007889).

49214267721 is a wasteful number, since it uses less digits than its factorization.

49214267721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468251975 (or 5468251972 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The spelling of 49214267721 in words is "forty-nine billion, two hundred fourteen million, two hundred sixty-seven thousand, seven hundred twenty-one".