213001889843 has 2 divisors, whose sum is σ = 213001889844. Its totient is φ = 213001889842.

The previous prime is 213001889819. The next prime is 213001889851. The reversal of 213001889843 is 348988100312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213001889843 - 2⁸ = 213001889587 is a prime.

It is a super-3 number, since 3×213001889843³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (213001889543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106500944921 + 106500944922.

It is an arithmetic number, because the mean of its divisors is an integer number (106500944922).

Almost surely, 2^213001889843 is an apocalyptic number.

213001889843 is a deficient number, since it is larger than the sum of its proper divisors (1).

213001889843 is an equidigital number, since it uses as much as digits as its factorization.

213001889843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 213001889843 in words is "two hundred thirteen billion, one million, eight hundred eighty-nine thousand, eight hundred forty-three".