49724840417 has 4 divisors (see below), whose sum is σ = 56828389056. Its totient is φ = 42621291780.

The previous prime is 49724840413. The next prime is 49724840447. The reversal of 49724840417 is 71404842794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49724840417 - 2² = 49724840413 is a prime.

It is a super-2 number, since 2×49724840417² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49724840411) 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, 3551774309 + ... + 3551774322.

It is an arithmetic number, because the mean of its divisors is an integer number (14207097264).

Almost surely, 2^49724840417 is an apocalyptic number.

It is an amenable number.

49724840417 is a deficient number, since it is larger than the sum of its proper divisors (7103548639).

49724840417 is an equidigital number, since it uses as much as digits as its factorization.

49724840417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7103548638.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 49724840417 in words is "forty-nine billion, seven hundred twenty-four million, eight hundred forty thousand, four hundred seventeen".