211382992357 has 2 divisors, whose sum is σ = 211382992358. Its totient is φ = 211382992356.

The previous prime is 211382992333. The next prime is 211382992361. The reversal of 211382992357 is 753299283112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 171436574401 + 39946417956 = 414049^2 + 199866^2 .

It is a cyclic number.

It is not a de Polignac number, because 211382992357 - 2⁷ = 211382992229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211382995357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105691496178 + 105691496179.

It is an arithmetic number, because the mean of its divisors is an integer number (105691496179).

Almost surely, 2^211382992357 is an apocalyptic number.

It is an amenable number.

211382992357 is a deficient number, since it is larger than the sum of its proper divisors (1).

211382992357 is an equidigital number, since it uses as much as digits as its factorization.

211382992357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1632960, while the sum is 52.

The spelling of 211382992357 in words is "two hundred eleven billion, three hundred eighty-two million, nine hundred ninety-two thousand, three hundred fifty-seven".