49909582079 has 4 divisors (see below), whose sum is σ = 57039522384. Its totient is φ = 42779641776.

The previous prime is 49909582061. The next prime is 49909582111. The reversal of 49909582079 is 97028590994.

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 49909582079 - 2⁸ = 49909581823 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 (49909582049) 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, 3564970142 + ... + 3564970155.

It is an arithmetic number, because the mean of its divisors is an integer number (14259880596).

Almost surely, 2^49909582079 is an apocalyptic number.

49909582079 is a deficient number, since it is larger than the sum of its proper divisors (7129940305).

49909582079 is an equidigital number, since it uses as much as digits as its factorization.

49909582079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7129940304.

The product of its (nonzero) digits is 14696640, while the sum is 62.

The spelling of 49909582079 in words is "forty-nine billion, nine hundred nine million, five hundred eighty-two thousand, seventy-nine".