49581757894 has 8 divisors (see below), whose sum is σ = 75108999888. Its totient is φ = 24545424600.

The previous prime is 49581757889. The next prime is 49581757903. The reversal of 49581757894 is 49875718594.

It is a sphenic number, since it is the product of 3 distinct 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 in 3 ways as a sum of consecutive naturals, for example, 122726922 + ... + 122727325.

It is an arithmetic number, because the mean of its divisors is an integer number (9388624986).

Almost surely, 2^49581757894 is an apocalyptic number.

49581757894 is a deficient number, since it is larger than the sum of its proper divisors (25527241994).

49581757894 is a wasteful number, since it uses less digits than its factorization.

49581757894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245454350.

The product of its digits is 101606400, while the sum is 67.

The spelling of 49581757894 in words is "forty-nine billion, five hundred eighty-one million, seven hundred fifty-seven thousand, eight hundred ninety-four".