49142889854 has 8 divisors (see below), whose sum is σ = 74022763680. Its totient is φ = 24468635296.

The previous prime is 49142889833. The next prime is 49142889869. The reversal of 49142889854 is 45898824194.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×49142889854² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51404219 + ... + 51405174.

It is an arithmetic number, because the mean of its divisors is an integer number (9252845460).

Almost surely, 2^49142889854 is an apocalyptic number.

49142889854 is a deficient number, since it is larger than the sum of its proper divisors (24879873826).

49142889854 is a wasteful number, since it uses less digits than its factorization.

49142889854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102809634.

The product of its digits is 26542080, while the sum is 62.

The spelling of 49142889854 in words is "forty-nine billion, one hundred forty-two million, eight hundred eighty-nine thousand, eight hundred fifty-four".