425720423247 has 24 divisors (see below), whose sum is σ = 660525341616. Its totient is φ = 243186185088.

The previous prime is 425720423221. The next prime is 425720423251. The reversal of 425720423247 is 742324027524.

It is not a de Polignac number, because 425720423247 - 2⁷ = 425720423119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425720423199 and 425720423208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425720423747) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56268 + ... + 924449.

It is an arithmetic number, because the mean of its divisors is an integer number (27521889234).

Almost surely, 2^425720423247 is an apocalyptic number.

425720423247 is a deficient number, since it is larger than the sum of its proper divisors (234804918369).

425720423247 is a wasteful number, since it uses less digits than its factorization.

425720423247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983687 (or 983680 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 42.

The spelling of 425720423247 in words is "four hundred twenty-five billion, seven hundred twenty million, four hundred twenty-three thousand, two hundred forty-seven".