425105404351 has 4 divisors (see below), whose sum is σ = 425108950000. Its totient is φ = 425101858704.

The previous prime is 425105404337. The next prime is 425105404393. The reversal of 425105404351 is 153404501524.

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 425105404351 - 2⁹ = 425105403839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425105404651) 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, 1586451 + ... + 1834948.

It is an arithmetic number, because the mean of its divisors is an integer number (106277237500).

Almost surely, 2^425105404351 is an apocalyptic number.

425105404351 is a deficient number, since it is larger than the sum of its proper divisors (3545649).

425105404351 is a wasteful number, since it uses less digits than its factorization.

425105404351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3545648.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 425105404351 its reverse (153404501524), we get a palindrome (578509905875).

The spelling of 425105404351 in words is "four hundred twenty-five billion, one hundred five million, four hundred four thousand, three hundred fifty-one".