49501423999 has 4 divisors (see below), whose sum is σ = 51098244160. Its totient is φ = 47904603840.

The previous prime is 49501423997. The next prime is 49501424003. The reversal of 49501423999 is 99932410594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49501423999 - 2¹ = 49501423997 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 (49501423991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 798410034 + ... + 798410095.

It is an arithmetic number, because the mean of its divisors is an integer number (12774561040).

Almost surely, 2^49501423999 is an apocalyptic number.

49501423999 is a deficient number, since it is larger than the sum of its proper divisors (1596820161).

49501423999 is a wasteful number, since it uses less digits than its factorization.

49501423999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1596820160.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The spelling of 49501423999 in words is "forty-nine billion, five hundred one million, four hundred twenty-three thousand, nine hundred ninety-nine".