2553346643 has 2 divisors, whose sum is σ = 2553346644. Its totient is φ = 2553346642.

The previous prime is 2553346591. The next prime is 2553346681. The reversal of 2553346643 is 3466433552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2553346643 - 2²² = 2549152339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2553346643.

It is not a weakly prime, because it can be changed into another prime (2553346043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276673321 + 1276673322.

It is an arithmetic number, because the mean of its divisors is an integer number (1276673322).

Almost surely, 2^2553346643 is an apocalyptic number.

2553346643 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553346643 is an equidigital number, since it uses as much as digits as its factorization.

2553346643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 41.

The square root of 2553346643 is about 50530.6505301485. The cubic root of 2553346643 is about 1366.7946166214.

The spelling of 2553346643 in words is "two billion, five hundred fifty-three million, three hundred forty-six thousand, six hundred forty-three".