49757994226 has 4 divisors (see below), whose sum is σ = 74636991342. Its totient is φ = 24878997112.

The previous prime is 49757994217. The next prime is 49757994239. The reversal of 49757994226 is 62249975794.

It is a Cunningham number, because it is equal to 223065²+1.

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., 49757994225 + 1 = 223065^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12439498555 + ... + 12439498558.

Almost surely, 2^49757994226 is an apocalyptic number.

49757994226 is a deficient number, since it is larger than the sum of its proper divisors (24878997116).

49757994226 is a wasteful number, since it uses less digits than its factorization.

49757994226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24878997115.

The product of its digits is 68584320, while the sum is 64.

The spelling of 49757994226 in words is "forty-nine billion, seven hundred fifty-seven million, nine hundred ninety-four thousand, two hundred twenty-six".