49020879905 has 4 divisors (see below), whose sum is σ = 58825055892. Its totient is φ = 39216703920.

The previous prime is 49020879847. The next prime is 49020879911. The reversal of 49020879905 is 50997802094.

49020879905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 13056033169 + 35964846736 = 114263^2 + 189644^2 .

It is not a de Polignac number, because 49020879905 - 2¹² = 49020875809 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4902087986 + ... + 4902087995.

It is an arithmetic number, because the mean of its divisors is an integer number (14706263973).

Almost surely, 2^49020879905 is an apocalyptic number.

It is an amenable number.

49020879905 is a deficient number, since it is larger than the sum of its proper divisors (9804175987).

49020879905 is an equidigital number, since it uses as much as digits as its factorization.

49020879905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9804175986.

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 49020879905 in words is "forty-nine billion, twenty million, eight hundred seventy-nine thousand, nine hundred five".