425240807807 has 2 divisors, whose sum is σ = 425240807808. Its totient is φ = 425240807806.

The previous prime is 425240807801. The next prime is 425240807819. The reversal of 425240807807 is 708708042524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425240807807 - 2¹⁸ = 425240545663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425240807801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212620403903 + 212620403904.

It is an arithmetic number, because the mean of its divisors is an integer number (212620403904).

Almost surely, 2^425240807807 is an apocalyptic number.

425240807807 is a deficient number, since it is larger than the sum of its proper divisors (1).

425240807807 is an equidigital number, since it uses as much as digits as its factorization.

425240807807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1003520, while the sum is 47.

The spelling of 425240807807 in words is "four hundred twenty-five billion, two hundred forty million, eight hundred seven thousand, eight hundred seven".