4069121696 has 12 divisors (see below), whose sum is σ = 8011083402. Its totient is φ = 2034560832.

The previous prime is 4069121677. The next prime is 4069121699. The reversal of 4069121696 is 6961219604.

4069121696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2136288400 + 1932833296 = 46220^2 + 43964^2 .

It is not an unprimeable number, because it can be changed into a prime (4069121699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63579995 + ... + 63580058.

Almost surely, 2^4069121696 is an apocalyptic number.

It is an amenable number.

4069121696 is a deficient number, since it is larger than the sum of its proper divisors (3941961706).

4069121696 is a wasteful number, since it uses less digits than its factorization.

4069121696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127160063 (or 127160055 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 4069121696 is about 63789.6676272890. The cubic root of 4069121696 is about 1596.4925375186.

The spelling of 4069121696 in words is "four billion, sixty-nine million, one hundred twenty-one thousand, six hundred ninety-six".