49579897594 has 4 divisors (see below), whose sum is σ = 74369846394. Its totient is φ = 24789948796.

The previous prime is 49579897561. The next prime is 49579897597.

49579897594 is nontrivially palindromic in base 10.

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

It can be written as a sum of positive squares in only one way, i.e., 46748061369 + 2831836225 = 216213^2 + 53215^2 .

It is a Smith number, since the sum of its digits (76) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 49579897594.

It is not an unprimeable number, because it can be changed into a prime (49579897597) 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 as a sum of consecutive naturals, namely, 12394974397 + ... + 12394974400.

Almost surely, 2^49579897594 is an apocalyptic number.

49579897594 is a deficient number, since it is larger than the sum of its proper divisors (24789948800).

49579897594 is a wasteful number, since it uses less digits than its factorization.

49579897594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24789948799.

The product of its digits is 1028764800, while the sum is 76.

The spelling of 49579897594 in words is "forty-nine billion, five hundred seventy-nine million, eight hundred ninety-seven thousand, five hundred ninety-four".