2553669647 has 2 divisors, whose sum is σ = 2553669648. Its totient is φ = 2553669646.

The previous prime is 2553669631. The next prime is 2553669661. The reversal of 2553669647 is 7469663552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2553669647 - 2⁴ = 2553669631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2553669667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276834823 + 1276834824.

It is an arithmetic number, because the mean of its divisors is an integer number (1276834824).

Almost surely, 2^2553669647 is an apocalyptic number.

2553669647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553669647 is an equidigital number, since it uses as much as digits as its factorization.

2553669647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 53.

The square root of 2553669647 is about 50533.8465486252. The cubic root of 2553669647 is about 1366.8522483724.

The spelling of 2553669647 in words is "two billion, five hundred fifty-three million, six hundred sixty-nine thousand, six hundred forty-seven".