5267275649 has 2 divisors, whose sum is σ = 5267275650. Its totient is φ = 5267275648.

The previous prime is 5267275639. The next prime is 5267275661. The reversal of 5267275649 is 9465727625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2815045249 + 2452230400 = 53057^2 + 49520^2 .

It is a cyclic number.

It is not a de Polignac number, because 5267275649 - 2¹² = 5267271553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5267275649.

It is not a weakly prime, because it can be changed into another prime (5267275619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633637824 + 2633637825.

It is an arithmetic number, because the mean of its divisors is an integer number (2633637825).

Almost surely, 2^5267275649 is an apocalyptic number.

It is an amenable number.

5267275649 is a deficient number, since it is larger than the sum of its proper divisors (1).

5267275649 is an equidigital number, since it uses as much as digits as its factorization.

5267275649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 53.

The square root of 5267275649 is about 72575.9991250551. Note that the first 3 decimals coincide. The cubic root of 5267275649 is about 1739.9176039945.

The spelling of 5267275649 in words is "five billion, two hundred sixty-seven million, two hundred seventy-five thousand, six hundred forty-nine".