49154403868199 has 24 divisors (see below), whose sum is σ = 59166316596240. Its totient is φ = 40669195572096.

The previous prime is 49154403868189. The next prime is 49154403868259. The reversal of 49154403868199 is 99186830445194.

It is a de Polignac number, because none of the positive numbers 2^k-49154403868199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49154403868139) 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, 1226699 + ... + 9990675.

It is an arithmetic number, because the mean of its divisors is an integer number (2465263191510).

Almost surely, 2^{49154403868199} is an apocalyptic number.

49154403868199 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49154403868199 is a deficient number, since it is larger than the sum of its proper divisors (10011912728041).

49154403868199 is a wasteful number, since it uses less digits than its factorization.

49154403868199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8767967 (or 8767960 counting only the distinct ones).

The product of its (nonzero) digits is 268738560, while the sum is 71.

The spelling of 49154403868199 in words is "forty-nine trillion, one hundred fifty-four billion, four hundred three million, eight hundred sixty-eight thousand, one hundred ninety-nine".