49840137099 has 6 divisors (see below), whose sum is σ = 71991309156. Its totient is φ = 33226758060.

The previous prime is 49840137091. The next prime is 49840137157. The reversal of 49840137099 is 99073104894.

49840137099 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 49840137099 - 2³ = 49840137091 is a prime.

It is a super-2 number, since 2×49840137099² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49840137091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2768896497 + ... + 2768896514.

It is an arithmetic number, because the mean of its divisors is an integer number (11998551526).

Almost surely, 2^49840137099 is an apocalyptic number.

49840137099 is a deficient number, since it is larger than the sum of its proper divisors (22151172057).

49840137099 is a wasteful number, since it uses less digits than its factorization.

49840137099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537793017 (or 5537793014 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 49840137099 in words is "forty-nine billion, eight hundred forty million, one hundred thirty-seven thousand, ninety-nine".