213532085369 has 2 divisors, whose sum is σ = 213532085370. Its totient is φ = 213532085368.

The previous prime is 213532085359. The next prime is 213532085383. The reversal of 213532085369 is 963580235312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210993235600 + 2538849769 = 459340^2 + 50387^2 .

It is a cyclic number.

It is not a de Polignac number, because 213532085369 - 2²⁰ = 213531036793 is a prime.

It is a super-2 number, since 2×213532085369² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213532085339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106766042684 + 106766042685.

It is an arithmetic number, because the mean of its divisors is an integer number (106766042685).

Almost surely, 2^213532085369 is an apocalyptic number.

It is an amenable number.

213532085369 is a deficient number, since it is larger than the sum of its proper divisors (1).

213532085369 is an equidigital number, since it uses as much as digits as its factorization.

213532085369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1166400, while the sum is 47.

The spelling of 213532085369 in words is "two hundred thirteen billion, five hundred thirty-two million, eighty-five thousand, three hundred sixty-nine".