8426453428 has 12 divisors (see below), whose sum is σ = 14911982820. Its totient is φ = 4165886912.

The previous prime is 8426453389. The next prime is 8426453447. The reversal of 8426453428 is 8243546248.

It can be written as a sum of positive squares in 2 ways, for example, as 4517452944 + 3909000484 = 67212^2 + 62522^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11834551 + ... + 11835262.

It is an arithmetic number, because the mean of its divisors is an integer number (1242665235).

Almost surely, 2^8426453428 is an apocalyptic number.

It is an amenable number.

8426453428 is a deficient number, since it is larger than the sum of its proper divisors (6485529392).

8426453428 is a wasteful number, since it uses less digits than its factorization.

8426453428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23669906 (or 23669904 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 46.

The square root of 8426453428 is about 91795.7157388078. The cubic root of 8426453428 is about 2034.9243797097.

The spelling of 8426453428 in words is "eight billion, four hundred twenty-six million, four hundred fifty-three thousand, four hundred twenty-eight".