402143411009 has 4 divisors (see below), whose sum is σ = 402145005780. Its totient is φ = 402141816240.

The previous prime is 402143410979. The next prime is 402143411023. The reversal of 402143411009 is 900114341204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 101671699600 + 300471711409 = 318860^2 + 548153^2 .

It is a cyclic number.

It is not a de Polignac number, because 402143411009 - 2²⁴ = 402126633793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402143411809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326414 + ... + 954375.

It is an arithmetic number, because the mean of its divisors is an integer number (100536251445).

Almost surely, 2^402143411009 is an apocalyptic number.

It is an amenable number.

402143411009 is a deficient number, since it is larger than the sum of its proper divisors (1594771).

402143411009 is a wasteful number, since it uses less digits than its factorization.

402143411009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594770.

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 402143411009 in words is "four hundred two billion, one hundred forty-three million, four hundred eleven thousand, nine".