210814439047 has 2 divisors, whose sum is σ = 210814439048. Its totient is φ = 210814439046.

The previous prime is 210814438969. The next prime is 210814439057. The reversal of 210814439047 is 740934418012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210814439047 - 2¹¹ = 210814436999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210814438994 and 210814439012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210814439057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105407219523 + 105407219524.

It is an arithmetic number, because the mean of its divisors is an integer number (105407219524).

Almost surely, 2^210814439047 is an apocalyptic number.

210814439047 is a deficient number, since it is larger than the sum of its proper divisors (1).

210814439047 is an equidigital number, since it uses as much as digits as its factorization.

210814439047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 210814439047 in words is "two hundred ten billion, eight hundred fourteen million, four hundred thirty-nine thousand, forty-seven".