49949969212 has 144 divisors (see below), whose sum is σ = 111357227520. Its totient is φ = 19368460800.

The previous prime is 49949969207. The next prime is 49949969263. The reversal of 49949969212 is 21296994994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5788333 + ... + 5796955.

It is an arithmetic number, because the mean of its divisors is an integer number (773314080).

Almost surely, 2^49949969212 is an apocalyptic number.

It is an amenable number.

49949969212 is an abundant number, since it is smaller than the sum of its proper divisors (61407258308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49949969212 is a wasteful number, since it uses less digits than its factorization.

49949969212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724 (or 8709 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 64.

It can be divided in two parts, 499499 and 69212, that added together give a triangular number (568711 = T₁₀₆₆).

The spelling of 49949969212 in words is "forty-nine billion, nine hundred forty-nine million, nine hundred sixty-nine thousand, two hundred twelve".