4291667668 has 6 divisors (see below), whose sum is σ = 7510418426. Its totient is φ = 2145833832.

The previous prime is 4291667623. The next prime is 4291667669. The reversal of 4291667668 is 8667661924.

It can be written as a sum of positive squares in only one way, i.e., 3688375824 + 603291844 = 60732^2 + 24562^2 .

It is a super-2 number, since 2×4291667668² = 36836822745113116448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4291667669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536458455 + ... + 536458462.

Almost surely, 2^4291667668 is an apocalyptic number.

It is an amenable number.

4291667668 is a deficient number, since it is larger than the sum of its proper divisors (3218750758).

4291667668 is a wasteful number, since it uses less digits than its factorization.

4291667668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072916921 (or 1072916919 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 55.

The square root of 4291667668 is about 65510.8209992822. The cubic root of 4291667668 is about 1625.0823050068.

The spelling of 4291667668 in words is "four billion, two hundred ninety-one million, six hundred sixty-seven thousand, six hundred sixty-eight".