49275667817 has 2 divisors, whose sum is σ = 49275667818. Its totient is φ = 49275667816.

The previous prime is 49275667789. The next prime is 49275667891. The reversal of 49275667817 is 71876657294.

49275667817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42712075561 + 6563592256 = 206669^2 + 81016^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49275667817 is a prime.

It is a super-2 number, since 2×49275667817² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49275667817.

It is not a weakly prime, because it can be changed into another prime (49275667117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24637833908 + 24637833909.

It is an arithmetic number, because the mean of its divisors is an integer number (24637833909).

Almost surely, 2^49275667817 is an apocalyptic number.

It is an amenable number.

49275667817 is a deficient number, since it is larger than the sum of its proper divisors (1).

49275667817 is an equidigital number, since it uses as much as digits as its factorization.

49275667817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35562240, while the sum is 62.

The spelling of 49275667817 in words is "forty-nine billion, two hundred seventy-five million, six hundred sixty-seven thousand, eight hundred seventeen".