451230668507 has 4 divisors (see below), whose sum is σ = 474979651080. Its totient is φ = 427481685936.

The previous prime is 451230668443. The next prime is 451230668513. The reversal of 451230668507 is 705866032154.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 705866032154 = 2 ⋅352933016077.

It is a cyclic number.

It is not a de Polignac number, because 451230668507 - 2⁶ = 451230668443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451230668587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11874491258 + ... + 11874491295.

It is an arithmetic number, because the mean of its divisors is an integer number (118744912770).

Almost surely, 2^451230668507 is an apocalyptic number.

451230668507 is a deficient number, since it is larger than the sum of its proper divisors (23748982573).

451230668507 is a wasteful number, since it uses less digits than its factorization.

451230668507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23748982572.

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 451230668507 in words is "four hundred fifty-one billion, two hundred thirty million, six hundred sixty-eight thousand, five hundred seven".