9628491572 has 24 divisors (see below), whose sum is σ = 19649985600. Its totient is φ = 4126495800.

The previous prime is 9628491559. The next prime is 9628491577. The reversal of 9628491572 is 2751948269.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9628491577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3507554 + ... + 3510297.

It is an arithmetic number, because the mean of its divisors is an integer number (818749400).

Almost surely, 2^9628491572 is an apocalyptic number.

It is an amenable number.

9628491572 is an abundant number, since it is smaller than the sum of its proper divisors (10021494028).

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

9628491572 is a wasteful number, since it uses less digits than its factorization.

9628491572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7017876 (or 7017860 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 9628491572 is about 98124.8774368661. The cubic root of 9628491572 is about 2127.4176182162.

The spelling of 9628491572 in words is "nine billion, six hundred twenty-eight million, four hundred ninety-one thousand, five hundred seventy-two".