3799981663 has 2 divisors, whose sum is σ = 3799981664. Its totient is φ = 3799981662.

The previous prime is 3799981649. The next prime is 3799981687. The reversal of 3799981663 is 3661899973.

It is a weak prime.

It is an emirp because it is prime and its reverse (3661899973) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3799981663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3799985663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1899990831 + 1899990832.

It is an arithmetic number, because the mean of its divisors is an integer number (1899990832).

Almost surely, 2^3799981663 is an apocalyptic number.

3799981663 is a deficient number, since it is larger than the sum of its proper divisors (1).

3799981663 is an equidigital number, since it uses as much as digits as its factorization.

3799981663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13226976, while the sum is 61.

The square root of 3799981663 is about 61643.9912968004. The cubic root of 3799981663 is about 1560.4882406408.

The spelling of 3799981663 in words is "three billion, seven hundred ninety-nine million, nine hundred eighty-one thousand, six hundred sixty-three".