3020816399 has 4 divisors (see below), whose sum is σ = 3021023136. Its totient is φ = 3020609664.

The previous prime is 3020816353. The next prime is 3020816401. The reversal of 3020816399 is 9936180203.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3020816399 - 2²⁴ = 3004039183 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 (3020816599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79634 + ... + 111279.

It is an arithmetic number, because the mean of its divisors is an integer number (755255784).

Almost surely, 2^3020816399 is an apocalyptic number.

3020816399 is a deficient number, since it is larger than the sum of its proper divisors (206737).

3020816399 is a wasteful number, since it uses less digits than its factorization.

3020816399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206736.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 3020816399 is about 54961.9541046350. The cubic root of 3020816399 is about 1445.5777113140.

The spelling of 3020816399 in words is "three billion, twenty million, eight hundred sixteen thousand, three hundred ninety-nine".