49999177649761 has 8 divisors (see below), whose sum is σ = 50846732935200. Its totient is φ = 49151626084320.

The previous prime is 49999177649717. The next prime is 49999177649777. The reversal of 49999177649761 is 16794677199994.

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

It is a cyclic number.

It is not a de Polignac number, because 49999177649761 - 2⁷ = 49999177649633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49999174649761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46554541 + ... + 47616421.

It is an arithmetic number, because the mean of its divisors is an integer number (6355841616900).

Almost surely, 2^{49999177649761} is an apocalyptic number.

It is an amenable number.

49999177649761 is a deficient number, since it is larger than the sum of its proper divisors (847555285439).

49999177649761 is a wasteful number, since it uses less digits than its factorization.

49999177649761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859999.

The product of its digits is 11666192832, while the sum is 88.

The spelling of 49999177649761 in words is "forty-nine trillion, nine hundred ninety-nine billion, one hundred seventy-seven million, six hundred forty-nine thousand, seven hundred sixty-one".