49728049879 has 2 divisors, whose sum is σ = 49728049880. Its totient is φ = 49728049878.

The previous prime is 49728049807. The next prime is 49728049883. The reversal of 49728049879 is 97894082794.

49728049879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49728049879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49728049379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24864024939 + 24864024940.

It is an arithmetic number, because the mean of its divisors is an integer number (24864024940).

Almost surely, 2^49728049879 is an apocalyptic number.

49728049879 is a deficient number, since it is larger than the sum of its proper divisors (1).

49728049879 is an equidigital number, since it uses as much as digits as its factorization.

49728049879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73156608, while the sum is 67.

The spelling of 49728049879 in words is "forty-nine billion, seven hundred twenty-eight million, forty-nine thousand, eight hundred seventy-nine".