213119577973 has 2 divisors, whose sum is σ = 213119577974. Its totient is φ = 213119577972.

The previous prime is 213119577919. The next prime is 213119578013. The reversal of 213119577973 is 379775911312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 170256914884 + 42862663089 = 412622^2 + 207033^2 .

It is a cyclic number.

It is not a de Polignac number, because 213119577973 - 2²⁹ = 212582707061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213159577973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106559788986 + 106559788987.

It is an arithmetic number, because the mean of its divisors is an integer number (106559788987).

Almost surely, 2^213119577973 is an apocalyptic number.

It is an amenable number.

213119577973 is a deficient number, since it is larger than the sum of its proper divisors (1).

213119577973 is an equidigital number, since it uses as much as digits as its factorization.

213119577973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2500470, while the sum is 55.

The spelling of 213119577973 in words is "two hundred thirteen billion, one hundred nineteen million, five hundred seventy-seven thousand, nine hundred seventy-three".