402211201409 has 2 divisors, whose sum is σ = 402211201410. Its totient is φ = 402211201408.

The previous prime is 402211201319. The next prime is 402211201459. The reversal of 402211201409 is 904102112204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 349934951809 + 52276249600 = 591553^2 + 228640^2 .

It is a cyclic number.

It is not a de Polignac number, because 402211201409 - 2¹⁶ = 402211135873 is a prime.

It is not a weakly prime, because it can be changed into another prime (402211201459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201105600704 + 201105600705.

It is an arithmetic number, because the mean of its divisors is an integer number (201105600705).

Almost surely, 2^402211201409 is an apocalyptic number.

It is an amenable number.

402211201409 is a deficient number, since it is larger than the sum of its proper divisors (1).

402211201409 is an equidigital number, since it uses as much as digits as its factorization.

402211201409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 402211201409 in words is "four hundred two billion, two hundred eleven million, two hundred one thousand, four hundred nine".