425632650613 has 2 divisors, whose sum is σ = 425632650614. Its totient is φ = 425632650612.

The previous prime is 425632650523. The next prime is 425632650689. The reversal of 425632650613 is 316056236524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404574867844 + 21057782769 = 636062^2 + 145113^2 .

It is a cyclic number.

It is not a de Polignac number, because 425632650613 - 2⁹ = 425632650101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425632650613.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425632150613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212816325306 + 212816325307.

It is an arithmetic number, because the mean of its divisors is an integer number (212816325307).

Almost surely, 2^425632650613 is an apocalyptic number.

It is an amenable number.

425632650613 is a deficient number, since it is larger than the sum of its proper divisors (1).

425632650613 is an equidigital number, since it uses as much as digits as its factorization.

425632650613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 425632650613 in words is "four hundred twenty-five billion, six hundred thirty-two million, six hundred fifty thousand, six hundred thirteen".