402144343219 has 2 divisors, whose sum is σ = 402144343220. Its totient is φ = 402144343218.

The previous prime is 402144343213. The next prime is 402144343229. The reversal of 402144343219 is 912343441204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402144343219 - 2¹³ = 402144335027 is a prime.

It is a super-2 number, since 2×402144343219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (402144343213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201072171609 + 201072171610.

It is an arithmetic number, because the mean of its divisors is an integer number (201072171610).

Almost surely, 2^402144343219 is an apocalyptic number.

402144343219 is a deficient number, since it is larger than the sum of its proper divisors (1).

402144343219 is an equidigital number, since it uses as much as digits as its factorization.

402144343219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 402144343219 in words is "four hundred two billion, one hundred forty-four million, three hundred forty-three thousand, two hundred nineteen".