8945445451 has 2 divisors, whose sum is σ = 8945445452. Its totient is φ = 8945445450.

The previous prime is 8945445449. The next prime is 8945445521. The reversal of 8945445451 is 1545445498.

8945445451 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8945445451 - 2¹ = 8945445449 is a prime.

Together with 8945445449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 8945445395 and 8945445404.

It is not a weakly prime, because it can be changed into another prime (8945445401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4472722725 + 4472722726.

It is an arithmetic number, because the mean of its divisors is an integer number (4472722726).

Almost surely, 2^8945445451 is an apocalyptic number.

8945445451 is a deficient number, since it is larger than the sum of its proper divisors (1).

8945445451 is an equidigital number, since it uses as much as digits as its factorization.

8945445451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304000, while the sum is 49.

The square root of 8945445451 is about 94580.3650394732. The cubic root of 8945445451 is about 2075.8724120556.

The spelling of 8945445451 in words is "eight billion, nine hundred forty-five million, four hundred forty-five thousand, four hundred fifty-one".