213119850077 has 2 divisors, whose sum is σ = 213119850078. Its totient is φ = 213119850076.

The previous prime is 213119850067. The next prime is 213119850079. The reversal of 213119850077 is 770058911312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185262237241 + 27857612836 = 430421^2 + 166906^2 .

It is a cyclic number.

It is not a de Polignac number, because 213119850077 - 2²² = 213115655773 is a prime.

Together with 213119850079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213119850079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106559925038 + 106559925039.

It is an arithmetic number, because the mean of its divisors is an integer number (106559925039).

Almost surely, 2^213119850077 is an apocalyptic number.

It is an amenable number.

213119850077 is a deficient number, since it is larger than the sum of its proper divisors (1).

213119850077 is an equidigital number, since it uses as much as digits as its factorization.

213119850077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 44.

The spelling of 213119850077 in words is "two hundred thirteen billion, one hundred nineteen million, eight hundred fifty thousand, seventy-seven".