49643840977 has 8 divisors (see below), whose sum is σ = 49855085280. Its totient is φ = 49432704000.

The previous prime is 49643840969. The next prime is 49643841007. The reversal of 49643840977 is 77904834694.

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 49643840977 - 2³ = 49643840969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49643840377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980049 + ... + 1029457.

It is an arithmetic number, because the mean of its divisors is an integer number (6231885660).

Almost surely, 2^49643840977 is an apocalyptic number.

It is an amenable number.

49643840977 is a deficient number, since it is larger than the sum of its proper divisors (211244303).

49643840977 is a wasteful number, since it uses less digits than its factorization.

49643840977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53663.

The product of its (nonzero) digits is 36578304, while the sum is 61.

The spelling of 49643840977 in words is "forty-nine billion, six hundred forty-three million, eight hundred forty thousand, nine hundred seventy-seven".