49417605617 has 2 divisors, whose sum is σ = 49417605618. Its totient is φ = 49417605616.

The previous prime is 49417605613. The next prime is 49417605619. The reversal of 49417605617 is 71650671494.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48487599601 + 930006016 = 220199^2 + 30496^2 .

It is a cyclic number.

It is not a de Polignac number, because 49417605617 - 2² = 49417605613 is a prime.

It is a super-4 number, since 4×49417605617⁴ (a number of 44 digits) contains 4444 as substring.

Together with 49417605619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49417605613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24708802808 + 24708802809.

It is an arithmetic number, because the mean of its divisors is an integer number (24708802809).

Almost surely, 2^49417605617 is an apocalyptic number.

It is an amenable number.

49417605617 is a deficient number, since it is larger than the sum of its proper divisors (1).

49417605617 is an equidigital number, since it uses as much as digits as its factorization.

49417605617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 49417605617 in words is "forty-nine billion, four hundred seventeen million, six hundred five thousand, six hundred seventeen".