211621424059 has 2 divisors, whose sum is σ = 211621424060. Its totient is φ = 211621424058.

The previous prime is 211621424057. The next prime is 211621424101. The reversal of 211621424059 is 950424126112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211621424059 - 2¹ = 211621424057 is a prime.

Together with 211621424057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211621424057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105810712029 + 105810712030.

It is an arithmetic number, because the mean of its divisors is an integer number (105810712030).

Almost surely, 2^211621424059 is an apocalyptic number.

211621424059 is a deficient number, since it is larger than the sum of its proper divisors (1).

211621424059 is an equidigital number, since it uses as much as digits as its factorization.

211621424059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 211621424059 in words is "two hundred eleven billion, six hundred twenty-one million, four hundred twenty-four thousand, fifty-nine".