3651235249 has 2 divisors, whose sum is σ = 3651235250. Its totient is φ = 3651235248.

The previous prime is 3651235213. The next prime is 3651235253. The reversal of 3651235249 is 9425321563.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2837160225 + 814075024 = 53265^2 + 28532^2 .

It is a cyclic number.

It is not a de Polignac number, because 3651235249 - 2⁹ = 3651234737 is a prime.

It is not a weakly prime, because it can be changed into another prime (3651235949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1825617624 + 1825617625.

It is an arithmetic number, because the mean of its divisors is an integer number (1825617625).

Almost surely, 2^3651235249 is an apocalyptic number.

It is an amenable number.

3651235249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3651235249 is an equidigital number, since it uses as much as digits as its factorization.

3651235249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The square root of 3651235249 is about 60425.4519966545. The cubic root of 3651235249 is about 1539.8553933201.

The spelling of 3651235249 in words is "three billion, six hundred fifty-one million, two hundred thirty-five thousand, two hundred forty-nine".