49117936639854 has 16 divisors (see below), whose sum is σ = 98590515424848. Its totient is φ = 16313538522432.

The previous prime is 49117936639801. The next prime is 49117936639861. The reversal of 49117936639854 is 45893663971194.

It is a super-2 number, since 2×49117936639854² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 14776754247 + ... + 14776757570.

It is an arithmetic number, because the mean of its divisors is an integer number (6161907214053).

Almost surely, 2^{49117936639854} is an apocalyptic number.

49117936639854 is an abundant number, since it is smaller than the sum of its proper divisors (49472578784994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49117936639854 is a wasteful number, since it uses less digits than its factorization.

49117936639854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29553512099.

The product of its digits is 1058158080, while the sum is 75.

The spelling of 49117936639854 in words is "forty-nine trillion, one hundred seventeen billion, nine hundred thirty-six million, six hundred thirty-nine thousand, eight hundred fifty-four".