2667747553 has 2 divisors, whose sum is σ = 2667747554. Its totient is φ = 2667747552.

The previous prime is 2667747541. The next prime is 2667747557. The reversal of 2667747553 is 3557477662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2529285264 + 138462289 = 50292^2 + 11767^2 .

It is a cyclic number.

It is not a de Polignac number, because 2667747553 - 2²¹ = 2665650401 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2667747553.

It is not a weakly prime, because it can be changed into another prime (2667747557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1333873776 + 1333873777.

It is an arithmetic number, because the mean of its divisors is an integer number (1333873777).

Almost surely, 2^2667747553 is an apocalyptic number.

It is an amenable number.

2667747553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2667747553 is an equidigital number, since it uses as much as digits as its factorization.

2667747553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7408800, while the sum is 52.

The square root of 2667747553 is about 51650.2425260521. The cubic root of 2667747553 is about 1386.9098845738.

The spelling of 2667747553 in words is "two billion, six hundred sixty-seven million, seven hundred forty-seven thousand, five hundred fifty-three".