3256743403 has 4 divisors (see below), whose sum is σ = 3267148648. Its totient is φ = 3246338160.

The previous prime is 3256743383. The next prime is 3256743439. The reversal of 3256743403 is 3043476523.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3256743403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3256743463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5202153 + ... + 5202778.

It is an arithmetic number, because the mean of its divisors is an integer number (816787162).

Almost surely, 2^3256743403 is an apocalyptic number.

3256743403 is a deficient number, since it is larger than the sum of its proper divisors (10405245).

3256743403 is a wasteful number, since it uses less digits than its factorization.

3256743403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10405244.

The product of its (nonzero) digits is 181440, while the sum is 37.

The square root of 3256743403 is about 57067.8841643879. The cubic root of 3256743403 is about 1482.2718036322.

The spelling of 3256743403 in words is "three billion, two hundred fifty-six million, seven hundred forty-three thousand, four hundred three".