3850666669 has 4 divisors (see below), whose sum is σ = 3861393120. Its totient is φ = 3839940220.

The previous prime is 3850666667. The next prime is 3850666751. The reversal of 3850666669 is 9666660583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3850666669 - 2¹ = 3850666667 is a prime.

It is a super-2 number, since 2×3850666669² = 29655267591495111122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850666667) 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, 5362687 + ... + 5363404.

It is an arithmetic number, because the mean of its divisors is an integer number (965348280).

Almost surely, 2^3850666669 is an apocalyptic number.

It is an amenable number.

3850666669 is a deficient number, since it is larger than the sum of its proper divisors (10726451).

3850666669 is a wasteful number, since it uses less digits than its factorization.

3850666669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726450.

The product of its (nonzero) digits is 8398080, while the sum is 55.

The square root of 3850666669 is about 62053.7401693081. The cubic root of 3850666669 is about 1567.3956672831.

The spelling of 3850666669 in words is "three billion, eight hundred fifty million, six hundred sixty-six thousand, six hundred sixty-nine".