451497897287 has 2 divisors, whose sum is σ = 451497897288. Its totient is φ = 451497897286.

The previous prime is 451497897251. The next prime is 451497897373. The reversal of 451497897287 is 782798794154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 451497897287 - 2¹⁸ = 451497635143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 451497897287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (451491897287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225748948643 + 225748948644.

It is an arithmetic number, because the mean of its divisors is an integer number (225748948644).

Almost surely, 2^451497897287 is an apocalyptic number.

451497897287 is a deficient number, since it is larger than the sum of its proper divisors (1).

451497897287 is an equidigital number, since it uses as much as digits as its factorization.

451497897287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 284497920, while the sum is 71.

The spelling of 451497897287 in words is "four hundred fifty-one billion, four hundred ninety-seven million, eight hundred ninety-seven thousand, two hundred eighty-seven".