49820259499 has 6 divisors (see below), whose sum is σ = 52580385060. Its totient is φ = 47198140236.

The previous prime is 49820259493. The next prime is 49820259529. The reversal of 49820259499 is 99495202894.

49820259499 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 49820259499 - 2³ = 49820259491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49820259491) 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, 69002769 + ... + 69003490.

It is an arithmetic number, because the mean of its divisors is an integer number (8763397510).

Almost surely, 2^49820259499 is an apocalyptic number.

49820259499 is a deficient number, since it is larger than the sum of its proper divisors (2760125561).

49820259499 is a wasteful number, since it uses less digits than its factorization.

49820259499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138006297 (or 138006278 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 61.

The spelling of 49820259499 in words is "forty-nine billion, eight hundred twenty million, two hundred fifty-nine thousand, four hundred ninety-nine".