2255286699397 has 2 divisors, whose sum is σ = 2255286699398. Its totient is φ = 2255286699396.

The previous prime is 2255286699293. The next prime is 2255286699401. The reversal of 2255286699397 is 7939966825522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1244204162721 + 1011082536676 = 1115439^2 + 1005526^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2255286699397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2255286699697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127643349698 + 1127643349699.

It is an arithmetic number, because the mean of its divisors is an integer number (1127643349699).

Almost surely, 2^{2255286699397} is an apocalyptic number.

It is an amenable number.

2255286699397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2255286699397 is an equidigital number, since it uses as much as digits as its factorization.

2255286699397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 881798400, while the sum is 73.

The spelling of 2255286699397 in words is "two trillion, two hundred fifty-five billion, two hundred eighty-six million, six hundred ninety-nine thousand, three hundred ninety-seven".