643134413360045 has 8 divisors (see below), whose sum is σ = 771794905075296. Its totient is φ = 514485124659216.

The previous prime is 643134413360027. The next prime is 643134413360063. The reversal of 643134413360045 is 540063314431346.

It is an interprime number because it is at equal distance from previous prime (643134413360027) and next prime (643134413360063).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 643134413360045 - 2³⁴ = 643117233490861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2800627307 + ... + 2800856936.

It is an arithmetic number, because the mean of its divisors is an integer number (96474363134412).

Almost surely, 2^{643134413360045} is an apocalyptic number.

It is an amenable number.

643134413360045 is a deficient number, since it is larger than the sum of its proper divisors (128660491715251).

643134413360045 is a wasteful number, since it uses less digits than its factorization.

643134413360045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601507211.

The product of its (nonzero) digits is 3732480, while the sum is 47.

The spelling of 643134413360045 in words is "six hundred forty-three trillion, one hundred thirty-four billion, four hundred thirteen million, three hundred sixty thousand, forty-five".