3645699996 has 12 divisors (see below), whose sum is σ = 8506633352. Its totient is φ = 1215233328.

The previous prime is 3645699991. The next prime is 3645700043. The reversal of 3645699996 is 6999965463.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3645699996² = 26582256921668800032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645699991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151904155 + ... + 151904178.

Almost surely, 2^3645699996 is an apocalyptic number.

It is an amenable number.

3645699996 is an abundant number, since it is smaller than the sum of its proper divisors (4860933356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3645699996 is a wasteful number, since it uses less digits than its factorization.

3645699996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303808340 (or 303808338 counting only the distinct ones).

The product of its digits is 85030560, while the sum is 66.

The square root of 3645699996 is about 60379.6322943424. The cubic root of 3645699996 is about 1539.0768622730.

The spelling of 3645699996 in words is "three billion, six hundred forty-five million, six hundred ninety-nine thousand, nine hundred ninety-six".