1402203434209 has 2 divisors, whose sum is σ = 1402203434210. Its totient is φ = 1402203434208.

The previous prime is 1402203434207. The next prime is 1402203434243. The reversal of 1402203434209 is 9024343022041.

It is an a-pointer prime, because the next prime (1402203434243) can be obtained adding 1402203434209 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1173044957184 + 229158477025 = 1083072^2 + 478705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402203434209 - 2¹ = 1402203434207 is a prime.

Together with 1402203434207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1402203434207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701101717104 + 701101717105.

It is an arithmetic number, because the mean of its divisors is an integer number (701101717105).

Almost surely, 2^{1402203434209} is an apocalyptic number.

It is an amenable number.

1402203434209 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402203434209 is an equidigital number, since it uses as much as digits as its factorization.

1402203434209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 1402203434209 in words is "one trillion, four hundred two billion, two hundred three million, four hundred thirty-four thousand, two hundred nine".