49209368065 has 64 divisors (see below), whose sum is σ = 70222344192. Its totient is φ = 32633798400.

The previous prime is 49209368063. The next prime is 49209368071. The reversal of 49209368065 is 56086390294.

49209368065 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 49209368065 - 2¹ = 49209368063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49209368063) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50888212 + ... + 50889178.

It is an arithmetic number, because the mean of its divisors is an integer number (1097224128).

Almost surely, 2^49209368065 is an apocalyptic number.

It is an amenable number.

49209368065 is a deficient number, since it is larger than the sum of its proper divisors (21012976127).

49209368065 is a wasteful number, since it uses less digits than its factorization.

49209368065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1790.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 49209368065 in words is "forty-nine billion, two hundred nine million, three hundred sixty-eight thousand, sixty-five".