213842899 has 2 divisors, whose sum is σ = 213842900. Its totient is φ = 213842898.

The previous prime is 213842879. The next prime is 213842939. The reversal of 213842899 is 998248312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213842899 - 2⁷ = 213842771 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (213842879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106921449 + 106921450.

It is an arithmetic number, because the mean of its divisors is an integer number (106921450).

Almost surely, 2^213842899 is an apocalyptic number.

213842899 is a deficient number, since it is larger than the sum of its proper divisors (1).

213842899 is an equidigital number, since it uses as much as digits as its factorization.

213842899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 248832, while the sum is 46.

The square root of 213842899 is about 14623.3682508511. The cubic root of 213842899 is about 597.9959983401.

The spelling of 213842899 in words is "two hundred thirteen million, eight hundred forty-two thousand, eight hundred ninety-nine".