49492694878 has 16 divisors (see below), whose sum is σ = 81248469120. Its totient is φ = 22424339800.

The previous prime is 49492694873. The next prime is 49492694897. The reversal of 49492694878 is 87849629494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49492694873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3609988 + ... + 3623671.

It is an arithmetic number, because the mean of its divisors is an integer number (5078029320).

Almost surely, 2^49492694878 is an apocalyptic number.

49492694878 is a deficient number, since it is larger than the sum of its proper divisors (31755774242).

49492694878 is a wasteful number, since it uses less digits than its factorization.

49492694878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7233983.

The product of its digits is 250822656, while the sum is 70.

The spelling of 49492694878 in words is "forty-nine billion, four hundred ninety-two million, six hundred ninety-four thousand, eight hundred seventy-eight".