451164143064643 has 16 divisors (see below), whose sum is σ = 458749494042112. Its totient is φ = 443584908900000.

The previous prime is 451164143064619. The next prime is 451164143064647. The reversal of 451164143064643 is 346460341461154.

It is a cyclic number.

It is not a de Polignac number, because 451164143064643 - 2²⁹ = 451163606193731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (451164143064647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7698623380 + ... + 7698681982.

It is an arithmetic number, because the mean of its divisors is an integer number (28671843377632).

Almost surely, 2^{451164143064643} is an apocalyptic number.

451164143064643 is a deficient number, since it is larger than the sum of its proper divisors (7585350977469).

451164143064643 is a wasteful number, since it uses less digits than its factorization.

451164143064643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108586.

The product of its (nonzero) digits is 9953280, while the sum is 52.

The spelling of 451164143064643 in words is "four hundred fifty-one trillion, one hundred sixty-four billion, one hundred forty-three million, sixty-four thousand, six hundred forty-three".