6256281577493 has 2 divisors, whose sum is σ = 6256281577494. Its totient is φ = 6256281577492.

The previous prime is 6256281577451. The next prime is 6256281577541. The reversal of 6256281577493 is 3947751826526.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5733065161924 + 523216415569 = 2394382^2 + 723337^2 .

It is a cyclic number.

It is not a de Polignac number, because 6256281577493 - 2¹⁶ = 6256281511957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6256281577433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3128140788746 + 3128140788747.

It is an arithmetic number, because the mean of its divisors is an integer number (3128140788747).

Almost surely, 2^{6256281577493} is an apocalyptic number.

It is an amenable number.

6256281577493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6256281577493 is an equidigital number, since it uses as much as digits as its factorization.

6256281577493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 152409600, while the sum is 65.

The spelling of 6256281577493 in words is "six trillion, two hundred fifty-six billion, two hundred eighty-one million, five hundred seventy-seven thousand, four hundred ninety-three".