9904976454 has 32 divisors (see below), whose sum is σ = 19948612320. Its totient is φ = 3278575872.

The previous prime is 9904976429. The next prime is 9904976483. The reversal of 9904976454 is 4546794099.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 9904976394 and 9904976403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2568792 + ... + 2572644.

It is an arithmetic number, because the mean of its divisors is an integer number (623394135).

Almost surely, 2^9904976454 is an apocalyptic number.

9904976454 is an abundant number, since it is smaller than the sum of its proper divisors (10043635866).

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

9904976454 is a wasteful number, since it uses less digits than its factorization.

9904976454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6744.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The square root of 9904976454 is about 99523.7481910725. The cubic root of 9904976454 is about 2147.5888928317.

The spelling of 9904976454 in words is "nine billion, nine hundred four million, nine hundred seventy-six thousand, four hundred fifty-four".