402144443413 has 2 divisors, whose sum is σ = 402144443414. Its totient is φ = 402144443412.

The previous prime is 402144443383. The next prime is 402144443443. The reversal of 402144443413 is 314344441204.

It is a balanced prime because it is at equal distance from previous prime (402144443383) and next prime (402144443443).

It can be written as a sum of positive squares in only one way, i.e., 397496203729 + 4648239684 = 630473^2 + 68178^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402144443413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402144443443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201072221706 + 201072221707.

It is an arithmetic number, because the mean of its divisors is an integer number (201072221707).

Almost surely, 2^402144443413 is an apocalyptic number.

It is an amenable number.

402144443413 is a deficient number, since it is larger than the sum of its proper divisors (1).

402144443413 is an equidigital number, since it uses as much as digits as its factorization.

402144443413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 402144443413 its reverse (314344441204), we get a palindrome (716488884617).

The spelling of 402144443413 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-three thousand, four hundred thirteen".