3649536043 has 2 divisors, whose sum is σ = 3649536044. Its totient is φ = 3649536042.

The previous prime is 3649535987. The next prime is 3649536049. The reversal of 3649536043 is 3406359463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3649536043 - 2⁹ = 3649535531 is a prime.

It is a super-2 number, since 2×3649536043² = 26638226658312195698, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3649536049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824768021 + 1824768022.

It is an arithmetic number, because the mean of its divisors is an integer number (1824768022).

Almost surely, 2^3649536043 is an apocalyptic number.

3649536043 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649536043 is an equidigital number, since it uses as much as digits as its factorization.

3649536043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 43.

The square root of 3649536043 is about 60411.3900104939. The cubic root of 3649536043 is about 1539.6164844447.

The spelling of 3649536043 in words is "three billion, six hundred forty-nine million, five hundred thirty-six thousand, forty-three".