49105391499 has 6 divisors (see below), whose sum is σ = 70930009956. Its totient is φ = 32736927660.

The previous prime is 49105391477. The next prime is 49105391561. The reversal of 49105391499 is 99419350194.

It is a happy number.

49105391499 is a `hidden beast` number, since 4 + 9 + 1 + 0 + 539 + 14 + 99 = 666.

It is not a de Polignac number, because 49105391499 - 2²⁹ = 48568520587 is a prime.

It is a super-2 number, since 2×49105391499² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49105391459) 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, 2728077297 + ... + 2728077314.

It is an arithmetic number, because the mean of its divisors is an integer number (11821668326).

Almost surely, 2^49105391499 is an apocalyptic number.

49105391499 is a deficient number, since it is larger than the sum of its proper divisors (21824618457).

49105391499 is a wasteful number, since it uses less digits than its factorization.

49105391499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456154617 (or 5456154614 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 54.

The spelling of 49105391499 in words is "forty-nine billion, one hundred five million, three hundred ninety-one thousand, four hundred ninety-nine".