451364544215 has 32 divisors (see below), whose sum is σ = 594531887040. Its totient is φ = 327019375488.

The previous prime is 451364544209. The next prime is 451364544221. The reversal of 451364544215 is 512445463154.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (451364544209) and next prime (451364544221).

It is a de Polignac number, because none of the positive numbers 2^k-451364544215 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 9653684 + ... + 9700326.

It is an arithmetic number, because the mean of its divisors is an integer number (18579121470).

Almost surely, 2^451364544215 is an apocalyptic number.

451364544215 is a deficient number, since it is larger than the sum of its proper divisors (143167342825).

451364544215 is an frugal number, since it uses more digits than its factorization.

451364544215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46820 (or 46714 counting only the distinct ones).

The product of its digits is 1152000, while the sum is 44.

The spelling of 451364544215 in words is "four hundred fifty-one billion, three hundred sixty-four million, five hundred forty-four thousand, two hundred fifteen".