1693979122211 has 2 divisors, whose sum is σ = 1693979122212. Its totient is φ = 1693979122210.

The previous prime is 1693979122169. The next prime is 1693979122247. The reversal of 1693979122211 is 1122219793961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1693979122211 - 2²⁶ = 1693912013347 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1693979122261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 846989561105 + 846989561106.

It is an arithmetic number, because the mean of its divisors is an integer number (846989561106).

Almost surely, 2^{1693979122211} is an apocalyptic number.

1693979122211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1693979122211 is an equidigital number, since it uses as much as digits as its factorization.

1693979122211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 734832, while the sum is 53.

The spelling of 1693979122211 in words is "one trillion, six hundred ninety-three billion, nine hundred seventy-nine million, one hundred twenty-two thousand, two hundred eleven".