3720895031213 has 2 divisors, whose sum is σ = 3720895031214. Its totient is φ = 3720895031212.

The previous prime is 3720895031123. The next prime is 3720895031221. The reversal of 3720895031213 is 3121305980273.

3720895031213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (3720895031123) 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., 2775016242244 + 945878788969 = 1665838^2 + 972563^2 .

It is a cyclic number.

It is not a de Polignac number, because 3720895031213 - 2¹⁸ = 3720894769069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3720895051213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1860447515606 + 1860447515607.

It is an arithmetic number, because the mean of its divisors is an integer number (1860447515607).

Almost surely, 2^{3720895031213} is an apocalyptic number.

It is an amenable number.

3720895031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3720895031213 is an equidigital number, since it uses as much as digits as its factorization.

3720895031213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 3720895031213 in words is "three trillion, seven hundred twenty billion, eight hundred ninety-five million, thirty-one thousand, two hundred thirteen".