49179311999 has 4 divisors (see below), whose sum is σ = 50012859720. Its totient is φ = 48345764280.

The previous prime is 49179311983. The next prime is 49179312001. The reversal of 49179311999 is 99911397194.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49179311999 - 2⁴ = 49179311983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49179311939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 416773772 + ... + 416773889.

It is an arithmetic number, because the mean of its divisors is an integer number (12503214930).

Almost surely, 2^49179311999 is an apocalyptic number.

49179311999 is a deficient number, since it is larger than the sum of its proper divisors (833547721).

49179311999 is an equidigital number, since it uses as much as digits as its factorization.

49179311999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833547720.

The product of its digits is 4960116, while the sum is 62.

The spelling of 49179311999 in words is "forty-nine billion, one hundred seventy-nine million, three hundred eleven thousand, nine hundred ninety-nine".