264343043511643 has 8 divisors (see below), whose sum is σ = 264449291587200. Its totient is φ = 264236812605120.

The previous prime is 264343043511607. The next prime is 264343043511661. The reversal of 264343043511643 is 346115340343462.

It is a happy number.

264343043511643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 264343043511643 - 2²⁵ = 264343009957211 is a prime.

It is a super-2 number, since 2×264343043511643² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264343043517643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26551446 + ... + 35123572.

It is an arithmetic number, because the mean of its divisors is an integer number (33056161448400).

Almost surely, 2^{264343043511643} is an apocalyptic number.

264343043511643 is a deficient number, since it is larger than the sum of its proper divisors (106248075557).

264343043511643 is an equidigital number, since it uses as much as digits as its factorization.

264343043511643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584517.

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 264343043511643 in words is "two hundred sixty-four trillion, three hundred forty-three billion, forty-three million, five hundred eleven thousand, six hundred forty-three".