454557706511 has 2 divisors, whose sum is σ = 454557706512. Its totient is φ = 454557706510.

The previous prime is 454557706507. The next prime is 454557706697. The reversal of 454557706511 is 115607755454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454557706511 - 2² = 454557706507 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 454557706511.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454557706711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227278853255 + 227278853256.

It is an arithmetic number, because the mean of its divisors is an integer number (227278853256).

Almost surely, 2^454557706511 is an apocalyptic number.

454557706511 is a deficient number, since it is larger than the sum of its proper divisors (1).

454557706511 is an equidigital number, since it uses as much as digits as its factorization.

454557706511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2940000, while the sum is 50.

The spelling of 454557706511 in words is "four hundred fifty-four billion, five hundred fifty-seven million, seven hundred six thousand, five hundred eleven".