6456426253 has 2 divisors, whose sum is σ = 6456426254. Its totient is φ = 6456426252.

The previous prime is 6456426199. The next prime is 6456426269. The reversal of 6456426253 is 3526246546.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5375529124 + 1080897129 = 73318^2 + 32877^2 .

It is a cyclic number.

It is not a de Polignac number, because 6456426253 - 2²⁵ = 6422871821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6456426553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228213126 + 3228213127.

It is an arithmetic number, because the mean of its divisors is an integer number (3228213127).

Almost surely, 2^6456426253 is an apocalyptic number.

It is an amenable number.

6456426253 is a deficient number, since it is larger than the sum of its proper divisors (1).

6456426253 is an equidigital number, since it uses as much as digits as its factorization.

6456426253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 43.

The square root of 6456426253 is about 80351.8901644510. The cubic root of 6456426253 is about 1862.0759814173.

The spelling of 6456426253 in words is "six billion, four hundred fifty-six million, four hundred twenty-six thousand, two hundred fifty-three".