3213648396037 has 2 divisors, whose sum is σ = 3213648396038. Its totient is φ = 3213648396036.

The previous prime is 3213648395981. The next prime is 3213648396043. The reversal of 3213648396037 is 7306938463123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2631763197441 + 581885198596 = 1622271^2 + 762814^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3213648396037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3213648396067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606824198018 + 1606824198019.

It is an arithmetic number, because the mean of its divisors is an integer number (1606824198019).

Almost surely, 2^{3213648396037} is an apocalyptic number.

It is an amenable number.

3213648396037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213648396037 is an equidigital number, since it uses as much as digits as its factorization.

3213648396037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11757312, while the sum is 55.

The spelling of 3213648396037 in words is "three trillion, two hundred thirteen billion, six hundred forty-eight million, three hundred ninety-six thousand, thirty-seven".