49297634642 has 4 divisors (see below), whose sum is σ = 73946451966. Its totient is φ = 24648817320.

The previous prime is 49297634629. The next prime is 49297634651. The reversal of 49297634642 is 24643679294.

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., 28896940081 + 20400694561 = 169991^2 + 142831^2 .

It is a super-2 number, since 2×49297634642² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12324408659 + ... + 12324408662.

Almost surely, 2^49297634642 is an apocalyptic number.

49297634642 is a deficient number, since it is larger than the sum of its proper divisors (24648817324).

49297634642 is a wasteful number, since it uses less digits than its factorization.

49297634642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24648817323.

The product of its digits is 15676416, while the sum is 56.

The spelling of 49297634642 in words is "forty-nine billion, two hundred ninety-seven million, six hundred thirty-four thousand, six hundred forty-two".