451446678770231 has 4 divisors (see below), whose sum is σ = 461051927254752. Its totient is φ = 441841430285712.

The previous prime is 451446678770179. The next prime is 451446678770251. The reversal of 451446678770231 is 132077876644154.

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 451446678770231 - 2⁴⁶ = 381077934592567 is a prime.

It is a super-2 number, since 2×451446678770231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451446678770251) 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, 4802624242190 + ... + 4802624242283.

It is an arithmetic number, because the mean of its divisors is an integer number (115262981813688).

Almost surely, 2^{451446678770231} is an apocalyptic number.

451446678770231 is a deficient number, since it is larger than the sum of its proper divisors (9605248484521).

451446678770231 is an equidigital number, since it uses as much as digits as its factorization.

451446678770231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9605248484520.

The product of its (nonzero) digits is 189665280, while the sum is 65.

The spelling of 451446678770231 in words is "four hundred fifty-one trillion, four hundred forty-six billion, six hundred seventy-eight million, seven hundred seventy thousand, two hundred thirty-one".