2401665144443 has 2 divisors, whose sum is σ = 2401665144444. Its totient is φ = 2401665144442.

The previous prime is 2401665144421. The next prime is 2401665144481. The reversal of 2401665144443 is 3444415661042.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2401665144443 - 2⁸ = 2401665144187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2401665144394 and 2401665144403.

It is not a weakly prime, because it can be changed into another prime (2401665144413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200832572221 + 1200832572222.

It is an arithmetic number, because the mean of its divisors is an integer number (1200832572222).

Almost surely, 2^{2401665144443} is an apocalyptic number.

2401665144443 is a deficient number, since it is larger than the sum of its proper divisors (1).

2401665144443 is an equidigital number, since it uses as much as digits as its factorization.

2401665144443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 2401665144443 in words is "two trillion, four hundred one billion, six hundred sixty-five million, one hundred forty-four thousand, four hundred forty-three".