9898190464 has 16 divisors (see below), whose sum is σ = 19719051570. Its totient is φ = 4949095168.

The previous prime is 9898190453. The next prime is 9898190479. The reversal of 9898190464 is 4640918989.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9377985600 + 520204864 = 96840^2 + 22808^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 9898190399 and 9898190408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38664679 + ... + 38664934.

Almost surely, 2^9898190464 is an apocalyptic number.

It is an amenable number.

9898190464 is a deficient number, since it is larger than the sum of its proper divisors (9820861106).

9898190464 is an equidigital number, since it uses as much as digits as its factorization.

9898190464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77329627 (or 77329615 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The square root of 9898190464 is about 99489.6500345639. The cubic root of 9898190464 is about 2147.0983365194.

The spelling of 9898190464 in words is "nine billion, eight hundred ninety-eight million, one hundred ninety thousand, four hundred sixty-four".