451045406450519 has 2 divisors, whose sum is σ = 451045406450520. Its totient is φ = 451045406450518.

The previous prime is 451045406450503. The next prime is 451045406450537. The reversal of 451045406450519 is 915054604540154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451045406450519 - 2⁴ = 451045406450503 is a prime.

It is a super-2 number, since 2×451045406450519² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451045426450519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225522703225259 + 225522703225260.

It is an arithmetic number, because the mean of its divisors is an integer number (225522703225260).

Almost surely, 2^{451045406450519} is an apocalyptic number.

451045406450519 is a deficient number, since it is larger than the sum of its proper divisors (1).

451045406450519 is an equidigital number, since it uses as much as digits as its factorization.

451045406450519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640000, while the sum is 53.

The spelling of 451045406450519 in words is "four hundred fifty-one trillion, forty-five billion, four hundred six million, four hundred fifty thousand, five hundred nineteen".