425431405193 has 4 divisors (see below), whose sum is σ = 425556278400. Its totient is φ = 425306531988.

The previous prime is 425431405181. The next prime is 425431405211. The reversal of 425431405193 is 391504134524.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425431405193 - 2²² = 425427210889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425431405193.

It is not an unprimeable number, because it can be changed into a prime (425431405393) 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, 62431493 + ... + 62438306.

It is an arithmetic number, because the mean of its divisors is an integer number (106389069600).

Almost surely, 2^425431405193 is an apocalyptic number.

It is an amenable number.

425431405193 is a deficient number, since it is larger than the sum of its proper divisors (124873207).

425431405193 is a wasteful number, since it uses less digits than its factorization.

425431405193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124873206.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 425431405193 in words is "four hundred twenty-five billion, four hundred thirty-one million, four hundred five thousand, one hundred ninety-three".