451205242451 has 32 divisors (see below), whose sum is σ = 490353205248. Its totient is φ = 413943678720.

The previous prime is 451205242417. The next prime is 451205242457. The reversal of 451205242451 is 154242502154.

It is a cyclic number.

It is not a de Polignac number, because 451205242451 - 2⁶ = 451205242387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451205242457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66126626 + ... + 66133448.

It is an arithmetic number, because the mean of its divisors is an integer number (15323537664).

Almost surely, 2^451205242451 is an apocalyptic number.

451205242451 is a deficient number, since it is larger than the sum of its proper divisors (39147962797).

451205242451 is a wasteful number, since it uses less digits than its factorization.

451205242451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7691.

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 451205242451 in words is "four hundred fifty-one billion, two hundred five million, two hundred forty-two thousand, four hundred fifty-one".