425753863813 has 2 divisors, whose sum is σ = 425753863814. Its totient is φ = 425753863812.

The previous prime is 425753863807. The next prime is 425753863823. The reversal of 425753863813 is 318368357524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 248834361889 + 176919501924 = 498833^2 + 420618^2 .

It is a cyclic number.

It is not a de Polignac number, because 425753863813 - 2³⁷ = 288314910341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425753863823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212876931906 + 212876931907.

It is an arithmetic number, because the mean of its divisors is an integer number (212876931907).

Almost surely, 2^425753863813 is an apocalyptic number.

It is an amenable number.

425753863813 is a deficient number, since it is larger than the sum of its proper divisors (1).

425753863813 is an equidigital number, since it uses as much as digits as its factorization.

425753863813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14515200, while the sum is 55.

The spelling of 425753863813 in words is "four hundred twenty-five billion, seven hundred fifty-three million, eight hundred sixty-three thousand, eight hundred thirteen".