375520318213 has 2 divisors, whose sum is σ = 375520318214. Its totient is φ = 375520318212.

The previous prime is 375520318183. The next prime is 375520318231. The reversal of 375520318213 is 312813025573.

Together with next prime (375520318231) 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., 374272321284 + 1247996929 = 611778^2 + 35327^2 .

It is an emirp because it is prime and its reverse (312813025573) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-375520318213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375520318913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187760159106 + 187760159107.

It is an arithmetic number, because the mean of its divisors is an integer number (187760159107).

Almost surely, 2^375520318213 is an apocalyptic number.

It is an amenable number.

375520318213 is a deficient number, since it is larger than the sum of its proper divisors (1).

375520318213 is an equidigital number, since it uses as much as digits as its factorization.

375520318213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 375520318213 in words is "three hundred seventy-five billion, five hundred twenty million, three hundred eighteen thousand, two hundred thirteen".