49779209485 has 16 divisors (see below), whose sum is σ = 62842262400. Its totient is φ = 37798444096.

The previous prime is 49779209479. The next prime is 49779209497. The reversal of 49779209485 is 58490297794.

49779209485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49779209485 - 2³ = 49779209477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2900809 + ... + 2917918.

It is an arithmetic number, because the mean of its divisors is an integer number (3927641400).

Almost surely, 2^49779209485 is an apocalyptic number.

It is an amenable number.

49779209485 is a deficient number, since it is larger than the sum of its proper divisors (13063052915).

49779209485 is a wasteful number, since it uses less digits than its factorization.

49779209485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5818820.

The product of its (nonzero) digits is 45722880, while the sum is 64.

The spelling of 49779209485 in words is "forty-nine billion, seven hundred seventy-nine million, two hundred nine thousand, four hundred eighty-five".