49999804670916 has 81 divisors (see below), whose sum is σ = 126945173825743. Its totient is φ = 16593501000720.

The previous prime is 49999804670869. The next prime is 49999804670917. The reversal of 49999804670916 is 61907640899994.

It is a happy number.

The square root of 49999804670916 is 7071054.

It is a perfect power (a square), and thus also a powerful number.

49999804670916 is a `hidden beast` number, since 499 + 9 + 9 + 8 + 0 + 46 + 70 + 9 + 16 = 666.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49999804670917) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10139888971 + ... + 10139893901.

Almost surely, 2^{49999804670916} is an apocalyptic number.

49999804670916 is the 7071054-th square number.

It is an amenable number.

49999804670916 is an abundant number, since it is smaller than the sum of its proper divisors (76945369154827).

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

49999804670916 is an frugal number, since it uses more digits than its factorization.

49999804670916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 5175 counting only the distinct ones).

The product of its (nonzero) digits is 1904684544, while the sum is 81.

The spelling of 49999804670916 in words is "forty-nine trillion, nine hundred ninety-nine billion, eight hundred four million, six hundred seventy thousand, nine hundred sixteen".