213119512447 has 2 divisors, whose sum is σ = 213119512448. Its totient is φ = 213119512446.

The previous prime is 213119512391. The next prime is 213119512477. The reversal of 213119512447 is 744215911312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213119512447 - 2²³ = 213111123839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213119512477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106559756223 + 106559756224.

It is an arithmetic number, because the mean of its divisors is an integer number (106559756224).

Almost surely, 2^213119512447 is an apocalyptic number.

213119512447 is a deficient number, since it is larger than the sum of its proper divisors (1).

213119512447 is an equidigital number, since it uses as much as digits as its factorization.

213119512447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The spelling of 213119512447 in words is "two hundred thirteen billion, one hundred nineteen million, five hundred twelve thousand, four hundred forty-seven".