3663399371 has 2 divisors, whose sum is σ = 3663399372. Its totient is φ = 3663399370.

The previous prime is 3663399293. The next prime is 3663399391. The reversal of 3663399371 is 1739933663.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3663399371 - 2²⁶ = 3596290507 is a prime.

It is not a weakly prime, because it can be changed into another prime (3663399391) 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 as a sum of consecutive naturals, namely, 1831699685 + 1831699686.

It is an arithmetic number, because the mean of its divisors is an integer number (1831699686).

Almost surely, 2^3663399371 is an apocalyptic number.

3663399371 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663399371 is an equidigital number, since it uses as much as digits as its factorization.

3663399371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1653372, while the sum is 50.

The square root of 3663399371 is about 60526.0222631555. The cubic root of 3663399371 is about 1541.5635117318.

The spelling of 3663399371 in words is "three billion, six hundred sixty-three million, three hundred ninety-nine thousand, three hundred seventy-one".