3214812745 has 4 divisors (see below), whose sum is σ = 3857775300. Its totient is φ = 2571850192.

The previous prime is 3214812739. The next prime is 3214812751. The reversal of 3214812745 is 5472184123.

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

It is an interprime number because it is at equal distance from previous prime (3214812739) and next prime (3214812751).

It can be written as a sum of positive squares in 2 ways, for example, as 2363807161 + 851005584 = 48619^2 + 29172^2 .

It is a cyclic number.

It is not a de Polignac number, because 3214812745 - 2²⁷ = 3080595017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321481270 + ... + 321481279.

It is an arithmetic number, because the mean of its divisors is an integer number (964443825).

Almost surely, 2^3214812745 is an apocalyptic number.

It is an amenable number.

3214812745 is a deficient number, since it is larger than the sum of its proper divisors (642962555).

3214812745 is an equidigital number, since it uses as much as digits as its factorization.

3214812745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642962554.

The product of its digits is 53760, while the sum is 37.

The square root of 3214812745 is about 56699.3187348843. The cubic root of 3214812745 is about 1475.8828758262.

Adding to 3214812745 its reverse (5472184123), we get a palindrome (8686996868).

The spelling of 3214812745 in words is "three billion, two hundred fourteen million, eight hundred twelve thousand, seven hundred forty-five".