9897294494 has 8 divisors (see below), whose sum is σ = 15055039728. Its totient is φ = 4878947920.

The previous prime is 9897294479. The next prime is 9897294497. The reversal of 9897294494 is 4944927989.

9897294494 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 9897294494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9897294497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34849487 + ... + 34849770.

It is an arithmetic number, because the mean of its divisors is an integer number (1881879966).

Almost surely, 2^9897294494 is an apocalyptic number.

9897294494 is a deficient number, since it is larger than the sum of its proper divisors (5157745234).

9897294494 is a wasteful number, since it uses less digits than its factorization.

9897294494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69699330.

The product of its digits is 47029248, while the sum is 65.

The square root of 9897294494 is about 99485.1471024695. The cubic root of 9897294494 is about 2147.0335504775.

The spelling of 9897294494 in words is "nine billion, eight hundred ninety-seven million, two hundred ninety-four thousand, four hundred ninety-four".