213434022479 has 2 divisors, whose sum is σ = 213434022480. Its totient is φ = 213434022478.

The previous prime is 213434022421. The next prime is 213434022499. The reversal of 213434022479 is 974220434312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213434022479 - 2²⁴ = 213417245263 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213434022409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106717011239 + 106717011240.

It is an arithmetic number, because the mean of its divisors is an integer number (106717011240).

Almost surely, 2^213434022479 is an apocalyptic number.

213434022479 is a deficient number, since it is larger than the sum of its proper divisors (1).

213434022479 is an equidigital number, since it uses as much as digits as its factorization.

213434022479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The spelling of 213434022479 in words is "two hundred thirteen billion, four hundred thirty-four million, twenty-two thousand, four hundred seventy-nine".