3030640645 has 16 divisors (see below), whose sum is σ = 3726436032. Its totient is φ = 2364888960.

The previous prime is 3030640607. The next prime is 3030640649. The reversal of 3030640645 is 5460460303.

It is not a de Polignac number, because 3030640645 - 2²¹ = 3028543493 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 (3030640649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154354 + ... + 172876.

It is an arithmetic number, because the mean of its divisors is an integer number (232902252).

Almost surely, 2^3030640645 is an apocalyptic number.

It is an amenable number.

3030640645 is a deficient number, since it is larger than the sum of its proper divisors (695795387).

3030640645 is a wasteful number, since it uses less digits than its factorization.

3030640645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19332.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 3030640645 is about 55051.2547086803. The cubic root of 3030640645 is about 1447.1431096933.

The spelling of 3030640645 in words is "three billion, thirty million, six hundred forty thousand, six hundred forty-five".