3970321799 has 2 divisors, whose sum is σ = 3970321800. Its totient is φ = 3970321798.

The previous prime is 3970321769. The next prime is 3970321813. The reversal of 3970321799 is 9971230793.

3970321799 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9971230793) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3970321799 - 2²⁸ = 3701886343 is a prime.

It is a super-2 number, since 2×3970321799² = 31526910375229192802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3970321759) 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, 1985160899 + 1985160900.

It is an arithmetic number, because the mean of its divisors is an integer number (1985160900).

Almost surely, 2^3970321799 is an apocalyptic number.

3970321799 is a deficient number, since it is larger than the sum of its proper divisors (1).

3970321799 is an equidigital number, since it uses as much as digits as its factorization.

3970321799 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 642978, while the sum is 50.

The square root of 3970321799 is about 63010.4895949873. The cubic root of 3970321799 is about 1583.4653682345.

The spelling of 3970321799 in words is "three billion, nine hundred seventy million, three hundred twenty-one thousand, seven hundred ninety-nine".