4013612866 has 8 divisors (see below), whose sum is σ = 6020724924. Its totient is φ = 2006704560.

The previous prime is 4013612843. The next prime is 4013612899. The reversal of 4013612866 is 6682163104.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3633557841 + 380055025 = 60279^2 + 19495^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4013612866² = 32218176476241467912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15796 + ... + 90976.

Almost surely, 2^4013612866 is an apocalyptic number.

4013612866 is a deficient number, since it is larger than the sum of its proper divisors (2007112058).

4013612866 is a wasteful number, since it uses less digits than its factorization.

4013612866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101876.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 4013612866 is about 63353.0809511266. The cubic root of 4013612866 is about 1589.1997695177.

The spelling of 4013612866 in words is "four billion, thirteen million, six hundred twelve thousand, eight hundred sixty-six".