213119999489 has 2 divisors, whose sum is σ = 213119999490. Its totient is φ = 213119999488.

The previous prime is 213119999453. The next prime is 213119999507. The reversal of 213119999489 is 984999911312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 179748017089 + 33371982400 = 423967^2 + 182680^2 .

It is a cyclic number.

It is not a de Polignac number, because 213119999489 - 2²⁸ = 212851564033 is a prime.

It is a super-2 number, since 2×213119999489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (213119996489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106559999744 + 106559999745.

It is an arithmetic number, because the mean of its divisors is an integer number (106559999745).

Almost surely, 2^213119999489 is an apocalyptic number.

It is an amenable number.

213119999489 is a deficient number, since it is larger than the sum of its proper divisors (1).

213119999489 is an equidigital number, since it uses as much as digits as its factorization.

213119999489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11337408, while the sum is 65.

The spelling of 213119999489 in words is "two hundred thirteen billion, one hundred nineteen million, nine hundred ninety-nine thousand, four hundred eighty-nine".