49164377902 has 4 divisors (see below), whose sum is σ = 73746566856. Its totient is φ = 24582188950.

The previous prime is 49164377879. The next prime is 49164377909. The reversal of 49164377902 is 20977346194.

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

It is a self number, because there is not a number n which added to its sum of digits gives 49164377902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49164377909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12291094474 + ... + 12291094477.

It is an arithmetic number, because the mean of its divisors is an integer number (18436641714).

Almost surely, 2^49164377902 is an apocalyptic number.

49164377902 is a deficient number, since it is larger than the sum of its proper divisors (24582188954).

49164377902 is a wasteful number, since it uses less digits than its factorization.

49164377902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24582188953.

The product of its (nonzero) digits is 2286144, while the sum is 52.

The spelling of 49164377902 in words is "forty-nine billion, one hundred sixty-four million, three hundred seventy-seven thousand, nine hundred two".