6428434266 has 56 divisors (see below), whose sum is σ = 15086023200. Its totient is φ = 2049635016.

The previous prime is 6428434231. The next prime is 6428434273. The reversal of 6428434266 is 6624348246.

It is a super-2 number, since 2×6428434266² = 82649534224565917512, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 62316 + ... + 129383.

Almost surely, 2^6428434266 is an apocalyptic number.

6428434266 is an abundant number, since it is smaller than the sum of its proper divisors (8657588934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6428434266 is a wasteful number, since it uses less digits than its factorization.

6428434266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191742 (or 191727 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 45.

The square root of 6428434266 is about 80177.5172102504. The cubic root of 6428434266 is about 1859.3810583692.

The spelling of 6428434266 in words is "six billion, four hundred twenty-eight million, four hundred thirty-four thousand, two hundred sixty-six".