3242567749 has 4 divisors (see below), whose sum is σ = 3354380460. Its totient is φ = 3130755040.

The previous prime is 3242567689. The next prime is 3242567753. The reversal of 3242567749 is 9477652423.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1714539649 + 1528028100 = 41407^2 + 39090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3242567749 - 2¹⁹ = 3242043461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3242567149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55906312 + ... + 55906369.

It is an arithmetic number, because the mean of its divisors is an integer number (838595115).

Almost surely, 2^3242567749 is an apocalyptic number.

It is an amenable number.

3242567749 is a deficient number, since it is larger than the sum of its proper divisors (111812711).

3242567749 is a wasteful number, since it uses less digits than its factorization.

3242567749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111812710.

The product of its digits is 2540160, while the sum is 49.

The square root of 3242567749 is about 56943.5487917639. The cubic root of 3242567749 is about 1480.1180434518.

The spelling of 3242567749 in words is "three billion, two hundred forty-two million, five hundred sixty-seven thousand, seven hundred forty-nine".