9662637425 has 12 divisors (see below), whose sum is σ = 13693337856. Its totient is φ = 6625808400.

The previous prime is 9662637343. The next prime is 9662637449. The reversal of 9662637425 is 5247362669.

It is not a de Polignac number, because 9662637425 - 2²⁴ = 9645860209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27607361 + ... + 27607710.

It is an arithmetic number, because the mean of its divisors is an integer number (1141111488).

Almost surely, 2^9662637425 is an apocalyptic number.

It is an amenable number.

9662637425 is a deficient number, since it is larger than the sum of its proper divisors (4030700431).

9662637425 is a wasteful number, since it uses less digits than its factorization.

9662637425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55215088 (or 55215083 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 50.

The square root of 9662637425 is about 98298.7152764470. The cubic root of 9662637425 is about 2129.9294961491.

The spelling of 9662637425 in words is "nine billion, six hundred sixty-two million, six hundred thirty-seven thousand, four hundred twenty-five".