454519987903 has 2 divisors, whose sum is σ = 454519987904. Its totient is φ = 454519987902.

The previous prime is 454519987897. The next prime is 454519987921. The reversal of 454519987903 is 309789915454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454519987903 - 2¹⁷ = 454519856831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454519987993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227259993951 + 227259993952.

It is an arithmetic number, because the mean of its divisors is an integer number (227259993952).

Almost surely, 2^454519987903 is an apocalyptic number.

454519987903 is a deficient number, since it is larger than the sum of its proper divisors (1).

454519987903 is an equidigital number, since it uses as much as digits as its factorization.

454519987903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48988800, while the sum is 64.

The spelling of 454519987903 in words is "four hundred fifty-four billion, five hundred nineteen million, nine hundred eighty-seven thousand, nine hundred three".