49565653349 has 4 divisors (see below), whose sum is σ = 50076639564. Its totient is φ = 49054667136.

The previous prime is 49565653337. The next prime is 49565653351. The reversal of 49565653349 is 94335656594.

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 10195950625 + 39369702724 = 100975^2 + 198418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49565653349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49565658349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255492962 + ... + 255493155.

It is an arithmetic number, because the mean of its divisors is an integer number (12519159891).

Almost surely, 2^49565653349 is an apocalyptic number.

It is an amenable number.

49565653349 is a deficient number, since it is larger than the sum of its proper divisors (510986215).

49565653349 is an equidigital number, since it uses as much as digits as its factorization.

49565653349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510986214.

The product of its digits is 52488000, while the sum is 59.

The spelling of 49565653349 in words is "forty-nine billion, five hundred sixty-five million, six hundred fifty-three thousand, three hundred forty-nine".