3642869390 has 16 divisors (see below), whose sum is σ = 6580340208. Its totient is φ = 1451997696.

The previous prime is 3642869389. The next prime is 3642869401. The reversal of 3642869390 is 939682463.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640787 + ... + 646446.

It is an arithmetic number, because the mean of its divisors is an integer number (411271263).

Almost surely, 2^3642869390 is an apocalyptic number.

3642869390 is a deficient number, since it is larger than the sum of its proper divisors (2937470818).

3642869390 is a wasteful number, since it uses less digits than its factorization.

3642869390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287523.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 3642869390 is about 60356.1876695339. The cubic root of 3642869390 is about 1538.6784341528.

The spelling of 3642869390 in words is "three billion, six hundred forty-two million, eight hundred sixty-nine thousand, three hundred ninety".