3243493826 has 4 divisors (see below), whose sum is σ = 4865240742. Its totient is φ = 1621746912.

The previous prime is 3243493811. The next prime is 3243493831. The reversal of 3243493826 is 6283943423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6283943423 = 263 ⋅23893321.

It can be written as a sum of positive squares in only one way, i.e., 3214323025 + 29170801 = 56695^2 + 5401^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810873455 + ... + 810873458.

Almost surely, 2^3243493826 is an apocalyptic number.

3243493826 is a deficient number, since it is larger than the sum of its proper divisors (1621746916).

3243493826 is a wasteful number, since it uses less digits than its factorization.

3243493826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621746915.

The product of its digits is 746496, while the sum is 44.

The square root of 3243493826 is about 56951.6797469574. The cubic root of 3243493826 is about 1480.2589372242.

The spelling of 3243493826 in words is "three billion, two hundred forty-three million, four hundred ninety-three thousand, eight hundred twenty-six".