451197463 has 4 divisors (see below), whose sum is σ = 470814768. Its totient is φ = 431580160.

The previous prime is 451197443. The next prime is 451197469. The reversal of 451197463 is 364791154.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 451197463 - 2⁵ = 451197431 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451197469) 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, 9808618 + ... + 9808663.

It is an arithmetic number, because the mean of its divisors is an integer number (117703692).

Almost surely, 2^451197463 is an apocalyptic number.

451197463 is a deficient number, since it is larger than the sum of its proper divisors (19617305).

451197463 is a wasteful number, since it uses less digits than its factorization.

451197463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19617304.

The product of its digits is 90720, while the sum is 40.

The square root of 451197463 is about 21241.4091575865. The cubic root of 451197463 is about 766.9885542075.

The spelling of 451197463 in words is "four hundred fifty-one million, one hundred ninety-seven thousand, four hundred sixty-three".