6446266043 has 4 divisors (see below), whose sum is σ = 7367161200. Its totient is φ = 5525370888.

The previous prime is 6446266037. The next prime is 6446266067. The reversal of 6446266043 is 3406626446.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3406626446 = 2 ⋅1703313223.

It is a cyclic number.

It is not a de Polignac number, because 6446266043 - 2⁴ = 6446266027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6446266093) 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, 460447568 + ... + 460447581.

It is an arithmetic number, because the mean of its divisors is an integer number (1841790300).

Almost surely, 2^6446266043 is an apocalyptic number.

6446266043 is a deficient number, since it is larger than the sum of its proper divisors (920895157).

6446266043 is an equidigital number, since it uses as much as digits as its factorization.

6446266043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920895156.

The product of its (nonzero) digits is 497664, while the sum is 41.

The square root of 6446266043 is about 80288.6420547763. The cubic root of 6446266043 is about 1861.0987113812.

The spelling of 6446266043 in words is "six billion, four hundred forty-six million, two hundred sixty-six thousand, forty-three".