8921480451 has 16 divisors (see below), whose sum is σ = 13082893824. Its totient is φ = 5373329184.

The previous prime is 8921480443. The next prime is 8921480459. The reversal of 8921480451 is 1540841298.

It is an interprime number because it is at equal distance from previous prime (8921480443) and next prime (8921480459).

It is not a de Polignac number, because 8921480451 - 2³ = 8921480443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8921480459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2431741 + ... + 2435406.

It is an arithmetic number, because the mean of its divisors is an integer number (817680864).

Almost surely, 2^8921480451 is an apocalyptic number.

8921480451 is a deficient number, since it is larger than the sum of its proper divisors (4161413373).

8921480451 is a wasteful number, since it uses less digits than its factorization.

8921480451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867210.

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 8921480451 is about 94453.5888730545. The cubic root of 8921480451 is about 2074.0169883705.

The spelling of 8921480451 in words is "eight billion, nine hundred twenty-one million, four hundred eighty thousand, four hundred fifty-one".