3645243790 has 8 divisors (see below), whose sum is σ = 6561438840. Its totient is φ = 1458097512.

The previous prime is 3645243781. The next prime is 3645243799. The reversal of 3645243790 is 973425463.

It is an interprime number because it is at equal distance from previous prime (3645243781) and next prime (3645243799).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645243799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182262180 + ... + 182262199.

It is an arithmetic number, because the mean of its divisors is an integer number (820179855).

Almost surely, 2^3645243790 is an apocalyptic number.

3645243790 is a deficient number, since it is larger than the sum of its proper divisors (2916195050).

3645243790 is a wasteful number, since it uses less digits than its factorization.

3645243790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364524386.

The product of its (nonzero) digits is 544320, while the sum is 43.

The square root of 3645243790 is about 60375.8543624850. The cubic root of 3645243790 is about 1539.0126619467.

The spelling of 3645243790 in words is "three billion, six hundred forty-five million, two hundred forty-three thousand, seven hundred ninety".