3965361799 has 12 divisors (see below), whose sum is σ = 4641076344. Its totient is φ = 3378022704.

The previous prime is 3965361797. The next prime is 3965361823. The reversal of 3965361799 is 9971635693.

It is not a de Polignac number, because 3965361799 - 2¹ = 3965361797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3965361793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240252 + ... + 256225.

It is an arithmetic number, because the mean of its divisors is an integer number (386756362).

Almost surely, 2^3965361799 is an apocalyptic number.

3965361799 is a deficient number, since it is larger than the sum of its proper divisors (675714545).

3965361799 is a wasteful number, since it uses less digits than its factorization.

3965361799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496654 (or 496647 counting only the distinct ones).

The product of its digits is 8266860, while the sum is 58.

The square root of 3965361799 is about 62971.1187688451. The cubic root of 3965361799 is about 1582.8057020515.

The spelling of 3965361799 in words is "three billion, nine hundred sixty-five million, three hundred sixty-one thousand, seven hundred ninety-nine".