3655969412 has 12 divisors (see below), whose sum is σ = 6469834140. Its totient is φ = 1807445376.

The previous prime is 3655969411. The next prime is 3655969423. The reversal of 3655969412 is 2149695563.

3655969412 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 2 ways, for example, as 2290962496 + 1365006916 = 47864^2 + 36946^2 .

It is a super-2 number, since 2×3655969412² = 26732224682959251488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3655969411) 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, 5134433 + ... + 5135144.

It is an arithmetic number, because the mean of its divisors is an integer number (539152845).

Almost surely, 2^3655969412 is an apocalyptic number.

It is an amenable number.

3655969412 is a deficient number, since it is larger than the sum of its proper divisors (2813864728).

3655969412 is a wasteful number, since it uses less digits than its factorization.

3655969412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10269670 (or 10269668 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 50.

The square root of 3655969412 is about 60464.6128905164. The cubic root of 3655969412 is about 1540.5206273676.

The spelling of 3655969412 in words is "three billion, six hundred fifty-five million, nine hundred sixty-nine thousand, four hundred twelve".