49317078542 has 16 divisors (see below), whose sum is σ = 74934402480. Its totient is φ = 24339889728.

The previous prime is 49317078539. The next prime is 49317078553. The reversal of 49317078542 is 24587071394.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131513 + ... + 340484.

It is an arithmetic number, because the mean of its divisors is an integer number (4683400155).

Almost surely, 2^49317078542 is an apocalyptic number.

49317078542 is a deficient number, since it is larger than the sum of its proper divisors (25617323938).

49317078542 is a wasteful number, since it uses less digits than its factorization.

49317078542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472675.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 49317078542 in words is "forty-nine billion, three hundred seventeen million, seventy-eight thousand, five hundred forty-two".