3564915749 has 2 divisors, whose sum is σ = 3564915750. Its totient is φ = 3564915748.

The previous prime is 3564915721. The next prime is 3564915803. The reversal of 3564915749 is 9475194653.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2274813025 + 1290102724 = 47695^2 + 35918^2 .

It is an emirp because it is prime and its reverse (9475194653) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3564915749 - 2¹² = 3564911653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3564915749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3564915709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1782457874 + 1782457875.

It is an arithmetic number, because the mean of its divisors is an integer number (1782457875).

Almost surely, 2^3564915749 is an apocalyptic number.

It is an amenable number.

3564915749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3564915749 is an equidigital number, since it uses as much as digits as its factorization.

3564915749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The square root of 3564915749 is about 59706.9154202426. The cubic root of 3564915749 is about 1527.6238264992.

The spelling of 3564915749 in words is "three billion, five hundred sixty-four million, nine hundred fifteen thousand, seven hundred forty-nine".