378037358213 has 2 divisors, whose sum is σ = 378037358214. Its totient is φ = 378037358212.

The previous prime is 378037358177. The next prime is 378037358267. The reversal of 378037358213 is 312853730873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 202750277284 + 175287080929 = 450278^2 + 418673^2 .

It is a cyclic number.

It is not a de Polignac number, because 378037358213 - 2¹² = 378037354117 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378037358513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189018679106 + 189018679107.

It is an arithmetic number, because the mean of its divisors is an integer number (189018679107).

Almost surely, 2^378037358213 is an apocalyptic number.

It is an amenable number.

378037358213 is a deficient number, since it is larger than the sum of its proper divisors (1).

378037358213 is an equidigital number, since it uses as much as digits as its factorization.

378037358213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 50.

The spelling of 378037358213 in words is "three hundred seventy-eight billion, thirty-seven million, three hundred fifty-eight thousand, two hundred thirteen".