210004897939 has 2 divisors, whose sum is σ = 210004897940. Its totient is φ = 210004897938.

The previous prime is 210004897937. The next prime is 210004898027. The reversal of 210004897939 is 939798400012.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210004897939 - 2¹ = 210004897937 is a prime.

Together with 210004897937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (210004897937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105002448969 + 105002448970.

It is an arithmetic number, because the mean of its divisors is an integer number (105002448970).

Almost surely, 2^210004897939 is an apocalyptic number.

210004897939 is a deficient number, since it is larger than the sum of its proper divisors (1).

210004897939 is an equidigital number, since it uses as much as digits as its factorization.

210004897939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 210004897939 in words is "two hundred ten billion, four million, eight hundred ninety-seven thousand, nine hundred thirty-nine".