215363465635379 has 2 divisors, whose sum is σ = 215363465635380. Its totient is φ = 215363465635378.

The previous prime is 215363465635349. The next prime is 215363465635511. The reversal of 215363465635379 is 973536564363512.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215363465635379 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (215363465635349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107681732817689 + 107681732817690.

It is an arithmetic number, because the mean of its divisors is an integer number (107681732817690).

Almost surely, 2^{215363465635379} is an apocalyptic number.

215363465635379 is a deficient number, since it is larger than the sum of its proper divisors (1).

215363465635379 is an equidigital number, since it uses as much as digits as its factorization.

215363465635379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1102248000, while the sum is 68.

The spelling of 215363465635379 in words is "two hundred fifteen trillion, three hundred sixty-three billion, four hundred sixty-five million, six hundred thirty-five thousand, three hundred seventy-nine".