49921679901 has 8 divisors (see below), whose sum is σ = 68709409024. Its totient is φ = 32207535360.

The previous prime is 49921679897. The next prime is 49921679923. The reversal of 49921679901 is 10997612994.

49921679901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 49921679901 - 2² = 49921679897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49921679981) 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, 268396036 + ... + 268396221.

It is an arithmetic number, because the mean of its divisors is an integer number (8588676128).

Almost surely, 2^49921679901 is an apocalyptic number.

It is an amenable number.

49921679901 is a deficient number, since it is larger than the sum of its proper divisors (18787729123).

49921679901 is a wasteful number, since it uses less digits than its factorization.

49921679901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536792291.

The product of its (nonzero) digits is 2204496, while the sum is 57.

The spelling of 49921679901 in words is "forty-nine billion, nine hundred twenty-one million, six hundred seventy-nine thousand, nine hundred one".