4006862669 has 2 divisors, whose sum is σ = 4006862670. Its totient is φ = 4006862668.

The previous prime is 4006862627. The next prime is 4006862723. The reversal of 4006862669 is 9662686004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2385834025 + 1621028644 = 48845^2 + 40262^2 .

It is a cyclic number.

It is not a de Polignac number, because 4006862669 - 2²⁰ = 4005814093 is a prime.

It is a super-2 number, since 2×4006862669² = 32109896896451607122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4006862569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2003431334 + 2003431335.

It is an arithmetic number, because the mean of its divisors is an integer number (2003431335).

Almost surely, 2^4006862669 is an apocalyptic number.

It is an amenable number.

4006862669 is a deficient number, since it is larger than the sum of its proper divisors (1).

4006862669 is an equidigital number, since it uses as much as digits as its factorization.

4006862669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 47.

The square root of 4006862669 is about 63299.7841149557. The cubic root of 4006862669 is about 1588.3083506242.

The spelling of 4006862669 in words is "four billion, six million, eight hundred sixty-two thousand, six hundred sixty-nine".