49863699855 has 24 divisors (see below), whose sum is σ = 91514556432. Its totient is φ = 25029621504.

The previous prime is 49863699839. The next prime is 49863699859. The reversal of 49863699855 is 55899636894.

It is not a de Polignac number, because 49863699855 - 2⁴ = 49863699839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49863699859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32589889 + ... + 32591418.

It is an arithmetic number, because the mean of its divisors is an integer number (3813106518).

Almost surely, 2^49863699855 is an apocalyptic number.

49863699855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49863699855 is a deficient number, since it is larger than the sum of its proper divisors (41650856577).

49863699855 is a wasteful number, since it uses less digits than its factorization.

49863699855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65181335 (or 65181332 counting only the distinct ones).

The product of its digits is 503884800, while the sum is 72.

The spelling of 49863699855 in words is "forty-nine billion, eight hundred sixty-three million, six hundred ninety-nine thousand, eight hundred fifty-five".