3645372799 has 2 divisors, whose sum is σ = 3645372800. Its totient is φ = 3645372798.

The previous prime is 3645372791. The next prime is 3645372823. The reversal of 3645372799 is 9972735463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3645372799 - 2³ = 3645372791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3645372791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822686399 + 1822686400.

It is an arithmetic number, because the mean of its divisors is an integer number (1822686400).

Almost surely, 2^3645372799 is an apocalyptic number.

3645372799 is a deficient number, since it is larger than the sum of its proper divisors (1).

3645372799 is an equidigital number, since it uses as much as digits as its factorization.

3645372799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8573040, while the sum is 55.

The square root of 3645372799 is about 60376.9227354293. The cubic root of 3645372799 is about 1539.0308174898.

The spelling of 3645372799 in words is "three billion, six hundred forty-five million, three hundred seventy-two thousand, seven hundred ninety-nine".