3078201643 has 12 divisors (see below), whose sum is σ = 3474928240. Its totient is φ = 2722729680.

The previous prime is 3078201617. The next prime is 3078201671. The reversal of 3078201643 is 3461028703.

It is a happy number.

It is not a de Polignac number, because 3078201643 - 2⁹ = 3078201131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3078201599 and 3078201608.

It is not an unprimeable number, because it can be changed into a prime (3078201673) 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, 339303 + ... + 348256.

Almost surely, 2^3078201643 is an apocalyptic number.

3078201643 is a deficient number, since it is larger than the sum of its proper divisors (396726597).

3078201643 is a wasteful number, since it uses less digits than its factorization.

3078201643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687618 (or 687607 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 3078201643 is about 55481.5432644046. The cubic root of 3078201643 is about 1454.6740401041.

The spelling of 3078201643 in words is "three billion, seventy-eight million, two hundred one thousand, six hundred forty-three".