451543655053501 has 2 divisors, whose sum is σ = 451543655053502. Its totient is φ = 451543655053500.

The previous prime is 451543655053493. The next prime is 451543655053549. The reversal of 451543655053501 is 105350556345154.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 449842847831001 + 1700807222500 = 21209499^2 + 1304150^2 .

It is a cyclic number.

It is not a de Polignac number, because 451543655053501 - 2³ = 451543655053493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451543655053201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225771827526750 + 225771827526751.

It is an arithmetic number, because the mean of its divisors is an integer number (225771827526751).

Almost surely, 2^{451543655053501} is an apocalyptic number.

It is an amenable number.

451543655053501 is a deficient number, since it is larger than the sum of its proper divisors (1).

451543655053501 is an equidigital number, since it uses as much as digits as its factorization.

451543655053501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500000, while the sum is 52.

The spelling of 451543655053501 in words is "four hundred fifty-one trillion, five hundred forty-three billion, six hundred fifty-five million, fifty-three thousand, five hundred one".