49001863679 has 4 divisors (see below), whose sum is σ = 49248104400. Its totient is φ = 48755622960.

The previous prime is 49001863663. The next prime is 49001863693. The reversal of 49001863679 is 97636810094.

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 49001863679 - 2⁴ = 49001863663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49001863679.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49001863619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123120062 + ... + 123120459.

It is an arithmetic number, because the mean of its divisors is an integer number (12312026100).

Almost surely, 2^49001863679 is an apocalyptic number.

49001863679 is a deficient number, since it is larger than the sum of its proper divisors (246240721).

49001863679 is a wasteful number, since it uses less digits than its factorization.

49001863679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246240720.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 49001863679 in words is "forty-nine billion, one million, eight hundred sixty-three thousand, six hundred seventy-nine".