454031537215547 has 2 divisors, whose sum is σ = 454031537215548. Its totient is φ = 454031537215546.

The previous prime is 454031537215517. The next prime is 454031537215579. The reversal of 454031537215547 is 745512735130454.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 454031537215547 - 2⁶ = 454031537215483 is a prime.

It is a super-2 number, since 2×454031537215547² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 454031537215492 and 454031537215501.

It is not a weakly prime, because it can be changed into another prime (454031537215517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227015768607773 + 227015768607774.

It is an arithmetic number, because the mean of its divisors is an integer number (227015768607774).

Almost surely, 2^{454031537215547} is an apocalyptic number.

454031537215547 is a deficient number, since it is larger than the sum of its proper divisors (1).

454031537215547 is an equidigital number, since it uses as much as digits as its factorization.

454031537215547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280000, while the sum is 56.

The spelling of 454031537215547 in words is "four hundred fifty-four trillion, thirty-one billion, five hundred thirty-seven million, two hundred fifteen thousand, five hundred forty-seven".