3188494013 has 2 divisors, whose sum is σ = 3188494014. Its totient is φ = 3188494012.

The previous prime is 3188493967. The next prime is 3188494031. The reversal of 3188494013 is 3104948813.

Together with next prime (3188494031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2231334169 + 957159844 = 47237^2 + 30938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3188494013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3188494213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1594247006 + 1594247007.

It is an arithmetic number, because the mean of its divisors is an integer number (1594247007).

Almost surely, 2^3188494013 is an apocalyptic number.

It is an amenable number.

3188494013 is a deficient number, since it is larger than the sum of its proper divisors (1).

3188494013 is an equidigital number, since it uses as much as digits as its factorization.

3188494013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 3188494013 is about 56466.7513940726. The cubic root of 3188494013 is about 1471.8442942692.

The spelling of 3188494013 in words is "three billion, one hundred eighty-eight million, four hundred ninety-four thousand, thirteen".