3245643975 has 24 divisors (see below), whose sum is σ = 6132722560. Its totient is φ = 1483722720.

The previous prime is 3245643923. The next prime is 3245643977. The reversal of 3245643975 is 5793465423.

It is not a de Polignac number, because 3245643975 - 2⁸ = 3245643719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245643977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3090565 + ... + 3091614.

Almost surely, 2^3245643975 is an apocalyptic number.

3245643975 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3245643975 is a deficient number, since it is larger than the sum of its proper divisors (2887078585).

3245643975 is a wasteful number, since it uses less digits than its factorization.

3245643975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6182199 (or 6182194 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 48.

The square root of 3245643975 is about 56970.5535781425. The cubic root of 3245643975 is about 1480.5859584759.

The spelling of 3245643975 in words is "three billion, two hundred forty-five million, six hundred forty-three thousand, nine hundred seventy-five".