49397718697836 has 24 divisors (see below), whose sum is σ = 115261597864560. Its totient is φ = 16465869913152.

The previous prime is 49397718697807. The next prime is 49397718697853. The reversal of 49397718697836 is 63879681779394.

It is a super-2 number, since 2×49397718697836² (a number of 28 digits) contains 22 as substring.

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, 1442430 + ... + 10043706.

It is an arithmetic number, because the mean of its divisors is an integer number (4802566577690).

Almost surely, 2^{49397718697836} is an apocalyptic number.

It is an amenable number.

49397718697836 is an abundant number, since it is smaller than the sum of its proper divisors (65863879166724).

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

49397718697836 is a wasteful number, since it uses less digits than its factorization.

49397718697836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9079873 (or 9079871 counting only the distinct ones).

The product of its digits is 20739898368, while the sum is 87.

The spelling of 49397718697836 in words is "forty-nine trillion, three hundred ninety-seven billion, seven hundred eighteen million, six hundred ninety-seven thousand, eight hundred thirty-six".