425357835639 has 32 divisors (see below), whose sum is σ = 622232217600. Its totient is φ = 256323592800.

The previous prime is 425357835611. The next prime is 425357835641. The reversal of 425357835639 is 936538753524.

It is not a de Polignac number, because 425357835639 - 2⁹ = 425357835127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425357835439) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10032924 + ... + 10075230.

It is an arithmetic number, because the mean of its divisors is an integer number (19444756800).

Almost surely, 2^425357835639 is an apocalyptic number.

425357835639 is a deficient number, since it is larger than the sum of its proper divisors (196874381961).

425357835639 is a wasteful number, since it uses less digits than its factorization.

425357835639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44051.

The product of its digits is 81648000, while the sum is 60.

The spelling of 425357835639 in words is "four hundred twenty-five billion, three hundred fifty-seven million, eight hundred thirty-five thousand, six hundred thirty-nine".