49995759279 has 4 divisors (see below), whose sum is σ = 66661012376. Its totient is φ = 33330506184.

The previous prime is 49995759277. The next prime is 49995759301. The reversal of 49995759279 is 97295759994.

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

It is not a de Polignac number, because 49995759279 - 2¹ = 49995759277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49995759279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49995759277) 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, 8332626544 + ... + 8332626549.

It is an arithmetic number, because the mean of its divisors is an integer number (16665253094).

Almost surely, 2^49995759279 is an apocalyptic number.

49995759279 is a deficient number, since it is larger than the sum of its proper divisors (16665253097).

49995759279 is a wasteful number, since it uses less digits than its factorization.

49995759279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16665253096.

The product of its digits is 578680200, while the sum is 75.

The spelling of 49995759279 in words is "forty-nine billion, nine hundred ninety-five million, seven hundred fifty-nine thousand, two hundred seventy-nine".