3646012243 has 2 divisors, whose sum is σ = 3646012244. Its totient is φ = 3646012242.

The previous prime is 3646012189. The next prime is 3646012261. The reversal of 3646012243 is 3422106463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3646012243 - 2²¹ = 3643915091 is a prime.

It is a super-2 number, since 2×3646012243² = 26586810552211782098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3646012283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1823006121 + 1823006122.

It is an arithmetic number, because the mean of its divisors is an integer number (1823006122).

Almost surely, 2^3646012243 is an apocalyptic number.

3646012243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3646012243 is an equidigital number, since it uses as much as digits as its factorization.

3646012243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 3646012243 is about 60382.2179370715. The cubic root of 3646012243 is about 1539.1208006492.

The spelling of 3646012243 in words is "three billion, six hundred forty-six million, twelve thousand, two hundred forty-three".