8454421492 has 48 divisors (see below), whose sum is σ = 16348921344. Its totient is φ = 3825148800.

The previous prime is 8454421483. The next prime is 8454421501. The reversal of 8454421492 is 2941244548.

It is an interprime number because it is at equal distance from previous prime (8454421483) and next prime (8454421501).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1183692 + ... + 1190812.

It is an arithmetic number, because the mean of its divisors is an integer number (340602528).

Almost surely, 2^8454421492 is an apocalyptic number.

It is an amenable number.

8454421492 is a deficient number, since it is larger than the sum of its proper divisors (7894499852).

8454421492 is a wasteful number, since it uses less digits than its factorization.

8454421492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381 (or 7357 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 8454421492 is about 91947.9281550161. The cubic root of 8454421492 is about 2037.1732516893.

The spelling of 8454421492 in words is "eight billion, four hundred fifty-four million, four hundred twenty-one thousand, four hundred ninety-two".