3663297801 has 6 divisors (see below), whose sum is σ = 5291430170. Its totient is φ = 2442198528.

The previous prime is 3663297797. The next prime is 3663297817. The reversal of 3663297801 is 1087923663.

3663297801 is a `hidden beast` number, since 3 + 6 + 632 + 9 + 7 + 8 + 0 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3425058576 + 238239225 = 58524^2 + 15435^2 .

It is not a de Polignac number, because 3663297801 - 2² = 3663297797 is a prime.

It is a super-2 number, since 2×3663297801² = 26839501557622871202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3663297821) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 203516536 + ... + 203516553.

Almost surely, 2^3663297801 is an apocalyptic number.

It is an amenable number.

3663297801 is a deficient number, since it is larger than the sum of its proper divisors (1628132369).

3663297801 is a wasteful number, since it uses less digits than its factorization.

3663297801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407033095 (or 407033092 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 3663297801 is about 60525.1831967488. The cubic root of 3663297801 is about 1541.5492646681.

The spelling of 3663297801 in words is "three billion, six hundred sixty-three million, two hundred ninety-seven thousand, eight hundred one".