49920097289 has 16 divisors (see below), whose sum is σ = 52079391744. Its totient is φ = 47795832000.

The previous prime is 49920097261. The next prime is 49920097301. The reversal of 49920097289 is 98279002994.

It is a cyclic number.

It is not a de Polignac number, because 49920097289 - 2²⁰ = 49919048713 is a prime.

It is a super-2 number, since 2×49920097289² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49920097489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4825967 + ... + 4836299.

It is an arithmetic number, because the mean of its divisors is an integer number (3254961984).

Almost surely, 2^49920097289 is an apocalyptic number.

It is an amenable number.

49920097289 is a deficient number, since it is larger than the sum of its proper divisors (2159294455).

49920097289 is a wasteful number, since it uses less digits than its factorization.

49920097289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12008.

The product of its (nonzero) digits is 5878656, while the sum is 59.

The spelling of 49920097289 in words is "forty-nine billion, nine hundred twenty million, ninety-seven thousand, two hundred eighty-nine".