49620409065 has 24 divisors (see below), whose sum is σ = 86016685248. Its totient is φ = 26461764000.

The previous prime is 49620409051. The next prime is 49620409109. The reversal of 49620409065 is 56090402694.

It is not a de Polignac number, because 49620409065 - 2²⁵ = 49586854633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 49620409065.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506292 + ... + 596298.

It is an arithmetic number, because the mean of its divisors is an integer number (3584028552).

Almost surely, 2^49620409065 is an apocalyptic number.

49620409065 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49620409065 is a deficient number, since it is larger than the sum of its proper divisors (36396276183).

49620409065 is a wasteful number, since it uses less digits than its factorization.

49620409065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102269 (or 102266 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 49620409065 in words is "forty-nine billion, six hundred twenty million, four hundred nine thousand, sixty-five".