3663990492 has 12 divisors (see below), whose sum is σ = 8549311176. Its totient is φ = 1221330160.

The previous prime is 3663990487. The next prime is 3663990497. The reversal of 3663990492 is 2940993663.

3663990492 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3663990487) and next prime (3663990497).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663990497) 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, 152666259 + ... + 152666282.

It is an arithmetic number, because the mean of its divisors is an integer number (712442598).

Almost surely, 2^3663990492 is an apocalyptic number.

It is an amenable number.

3663990492 is an abundant number, since it is smaller than the sum of its proper divisors (4885320684).

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

3663990492 is a wasteful number, since it uses less digits than its factorization.

3663990492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305332548 (or 305332546 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 51.

The square root of 3663990492 is about 60530.9052633446. The cubic root of 3663990492 is about 1541.6464221168.

The spelling of 3663990492 in words is "three billion, six hundred sixty-three million, nine hundred ninety thousand, four hundred ninety-two".