3965361797 has 2 divisors, whose sum is σ = 3965361798. Its totient is φ = 3965361796.

The previous prime is 3965361793. The next prime is 3965361823. The reversal of 3965361797 is 7971635693.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2278534756 + 1686827041 = 47734^2 + 41071^2 .

It is a cyclic number.

It is not a de Polignac number, because 3965361797 - 2² = 3965361793 is a prime.

It is a super-2 number, since 2×3965361797² = 31448188362214138418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3965361793) 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, 1982680898 + 1982680899.

It is an arithmetic number, because the mean of its divisors is an integer number (1982680899).

Almost surely, 2^3965361797 is an apocalyptic number.

It is an amenable number.

3965361797 is a deficient number, since it is larger than the sum of its proper divisors (1).

3965361797 is an equidigital number, since it uses as much as digits as its factorization.

3965361797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6429780, while the sum is 56.

The square root of 3965361797 is about 62971.1187529648. The cubic root of 3965361797 is about 1582.8057017854.

The spelling of 3965361797 in words is "three billion, nine hundred sixty-five million, three hundred sixty-one thousand, seven hundred ninety-seven".