9658431642 has 8 divisors (see below), whose sum is σ = 19316863296. Its totient is φ = 3219477212.

The previous prime is 9658431631. The next prime is 9658431689. The reversal of 9658431642 is 2461348569.

It is a sphenic number, since it is the product of 3 distinct primes.

9658431642 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 9658431591 and 9658431600.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804869298 + ... + 804869309.

It is an arithmetic number, because the mean of its divisors is an integer number (2414607912).

Almost surely, 2^9658431642 is an apocalyptic number.

9658431642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9658431642 is a wasteful number, since it uses less digits than its factorization.

9658431642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609738612.

The product of its digits is 1244160, while the sum is 48.

The square root of 9658431642 is about 98277.3200794568. The cubic root of 9658431642 is about 2129.6204252098.

The spelling of 9658431642 in words is "nine billion, six hundred fifty-eight million, four hundred thirty-one thousand, six hundred forty-two".