3969669692 has 24 divisors (see below), whose sum is σ = 7181679120. Its totient is φ = 1918650240.

The previous prime is 3969669673. The next prime is 3969669707. The reversal of 3969669692 is 2969669693.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93158 + ... + 128909.

It is an arithmetic number, because the mean of its divisors is an integer number (299236630).

Almost surely, 2^3969669692 is an apocalyptic number.

It is an amenable number.

3969669692 is a deficient number, since it is larger than the sum of its proper divisors (3212009428).

3969669692 is a wasteful number, since it uses less digits than its factorization.

3969669692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222221 (or 222219 counting only the distinct ones).

The product of its digits is 51018336, while the sum is 65.

The square root of 3969669692 is about 63005.3147916904. The cubic root of 3969669692 is about 1583.3786711991.

Subtracting from 3969669692 its reverse (2969669693), we obtain a palindrome (999999999).

The spelling of 3969669692 in words is "three billion, nine hundred sixty-nine million, six hundred sixty-nine thousand, six hundred ninety-two".