2555493362717 has 2 divisors, whose sum is σ = 2555493362718. Its totient is φ = 2555493362716.

The previous prime is 2555493362621. The next prime is 2555493362731. The reversal of 2555493362717 is 7172633945552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2163549751801 + 391943610916 = 1470901^2 + 626054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2555493362717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2555493302717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277746681358 + 1277746681359.

It is an arithmetic number, because the mean of its divisors is an integer number (1277746681359).

Almost surely, 2^{2555493362717} is an apocalyptic number.

It is an amenable number.

2555493362717 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555493362717 is an equidigital number, since it uses as much as digits as its factorization.

2555493362717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47628000, while the sum is 59.

The spelling of 2555493362717 in words is "two trillion, five hundred fifty-five billion, four hundred ninety-three million, three hundred sixty-two thousand, seven hundred seventeen".