454550500381 has 2 divisors, whose sum is σ = 454550500382. Its totient is φ = 454550500380.

The previous prime is 454550500363. The next prime is 454550500447. The reversal of 454550500381 is 183005055454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 452782297881 + 1768202500 = 672891^2 + 42050^2 .

It is a cyclic number.

It is not a de Polignac number, because 454550500381 - 2²³ = 454542111773 is a prime.

It is a super-2 number, since 2×454550500381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (454550500081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227275250190 + 227275250191.

It is an arithmetic number, because the mean of its divisors is an integer number (227275250191).

Almost surely, 2^454550500381 is an apocalyptic number.

It is an amenable number.

454550500381 is a deficient number, since it is larger than the sum of its proper divisors (1).

454550500381 is an equidigital number, since it uses as much as digits as its factorization.

454550500381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 454550500381 in words is "four hundred fifty-four billion, five hundred fifty million, five hundred thousand, three hundred eighty-one".