402143413 has 4 divisors (see below), whose sum is σ = 459592480. Its totient is φ = 344694348.

The previous prime is 402143387. The next prime is 402143429. The reversal of 402143413 is 314341204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 402143413 - 2⁹ = 402142901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402143453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28724523 + ... + 28724536.

It is an arithmetic number, because the mean of its divisors is an integer number (114898120).

Almost surely, 2^402143413 is an apocalyptic number.

It is an amenable number.

402143413 is a deficient number, since it is larger than the sum of its proper divisors (57449067).

402143413 is an equidigital number, since it uses as much as digits as its factorization.

402143413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57449066.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 402143413 is about 20053.5137320122. The cubic root of 402143413 is about 738.1200228067.

Adding to 402143413 its reverse (314341204), we get a palindrome (716484617).

The spelling of 402143413 in words is "four hundred two million, one hundred forty-three thousand, four hundred thirteen".