425704239659 has 4 divisors (see below), whose sum is σ = 427064317416. Its totient is φ = 424344161904.

The previous prime is 425704239617. The next prime is 425704239673. The reversal of 425704239659 is 956932407524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425704239659 - 2²⁰ = 425703191083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425704239679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680038409 + ... + 680039034.

It is an arithmetic number, because the mean of its divisors is an integer number (106766079354).

Almost surely, 2^425704239659 is an apocalyptic number.

425704239659 is a deficient number, since it is larger than the sum of its proper divisors (1360077757).

425704239659 is a wasteful number, since it uses less digits than its factorization.

425704239659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360077756.

The product of its (nonzero) digits is 16329600, while the sum is 56.

The spelling of 425704239659 in words is "four hundred twenty-five billion, seven hundred four million, two hundred thirty-nine thousand, six hundred fifty-nine".