454454625491 has 2 divisors, whose sum is σ = 454454625492. Its totient is φ = 454454625490.

The previous prime is 454454625487. The next prime is 454454625577. The reversal of 454454625491 is 194526454454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454454625491 - 2² = 454454625487 is a prime.

It is not a weakly prime, because it can be changed into another prime (454454625991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227227312745 + 227227312746.

It is an arithmetic number, because the mean of its divisors is an integer number (227227312746).

Almost surely, 2^454454625491 is an apocalyptic number.

454454625491 is a deficient number, since it is larger than the sum of its proper divisors (1).

454454625491 is an equidigital number, since it uses as much as digits as its factorization.

454454625491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824000, while the sum is 53.

The spelling of 454454625491 in words is "four hundred fifty-four billion, four hundred fifty-four million, six hundred twenty-five thousand, four hundred ninety-one".