213914194511 has 2 divisors, whose sum is σ = 213914194512. Its totient is φ = 213914194510.

The previous prime is 213914194489. The next prime is 213914194517. The reversal of 213914194511 is 115491419312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213914194511 - 2¹⁸ = 213913932367 is a prime.

It is a super-2 number, since 2×213914194511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213914194517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106957097255 + 106957097256.

It is an arithmetic number, because the mean of its divisors is an integer number (106957097256).

Almost surely, 2^213914194511 is an apocalyptic number.

213914194511 is a deficient number, since it is larger than the sum of its proper divisors (1).

213914194511 is an equidigital number, since it uses as much as digits as its factorization.

213914194511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38880, while the sum is 41.

The spelling of 213914194511 in words is "two hundred thirteen billion, nine hundred fourteen million, one hundred ninety-four thousand, five hundred eleven".