9689898464 has 36 divisors (see below), whose sum is σ = 20133908424. Its totient is φ = 4589946432.

The previous prime is 9689898461. The next prime is 9689898479. The reversal of 9689898464 is 4648989869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9689898461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 407852 + ... + 430955.

It is an arithmetic number, because the mean of its divisors is an integer number (559275234).

Almost surely, 2^9689898464 is an apocalyptic number.

It is an amenable number.

9689898464 is an abundant number, since it is smaller than the sum of its proper divisors (10444009960).

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

9689898464 is a wasteful number, since it uses less digits than its factorization.

9689898464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 838855 (or 838828 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 71.

The square root of 9689898464 is about 98437.2818803933. The cubic root of 9689898464 is about 2131.9306603189.

The spelling of 9689898464 in words is "nine billion, six hundred eighty-nine million, eight hundred ninety-eight thousand, four hundred sixty-four".