49064640862 has 4 divisors (see below), whose sum is σ = 73596961296. Its totient is φ = 24532320430.

The previous prime is 49064640847. The next prime is 49064640883. The reversal of 49064640862 is 26804646094.

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

It is a congruent number.

It is an unprimeable number.

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, 12266160214 + ... + 12266160217.

It is an arithmetic number, because the mean of its divisors is an integer number (18399240324).

Almost surely, 2^49064640862 is an apocalyptic number.

49064640862 is a deficient number, since it is larger than the sum of its proper divisors (24532320434).

49064640862 is a wasteful number, since it uses less digits than its factorization.

49064640862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24532320433.

The product of its (nonzero) digits is 1990656, while the sum is 49.

The spelling of 49064640862 in words is "forty-nine billion, sixty-four million, six hundred forty thousand, eight hundred sixty-two".