49508981712 has 60 divisors (see below), whose sum is σ = 138690160960. Its totient is φ = 16487060544.

The previous prime is 49508981657. The next prime is 49508981713. The reversal of 49508981712 is 21718980594.

It is a happy number.

49508981712 is a `hidden beast` number, since 49 + 508 + 9 + 81 + 7 + 12 = 666.

It is a super-2 number, since 2×49508981712² (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 (49508981713) 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, 15838 + ... + 315069.

Almost surely, 2^49508981712 is an apocalyptic number.

It is an amenable number.

49508981712 is an abundant number, since it is smaller than the sum of its proper divisors (89181179248).

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

49508981712 is a wasteful number, since it uses less digits than its factorization.

49508981712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331960 (or 331951 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 54.

The spelling of 49508981712 in words is "forty-nine billion, five hundred eight million, nine hundred eighty-one thousand, seven hundred twelve".