1244414423429 has 16 divisors (see below), whose sum is σ = 1329480275760. Its totient is φ = 1164741949440.

The previous prime is 1244414423353. The next prime is 1244414423471. The reversal of 1244414423429 is 9243244144421.

It can be written as a sum of positive squares in 8 ways, for example, as 412551859204 + 831862564225 = 642302^2 + 912065^2 .

It is not a de Polignac number, because 1244414423429 - 2²⁴ = 1244397646213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1244414423429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244414423489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189557 + ... + 1588949.

It is an arithmetic number, because the mean of its divisors is an integer number (83092517235).

Almost surely, 2^{1244414423429} is an apocalyptic number.

It is an amenable number.

1244414423429 is a deficient number, since it is larger than the sum of its proper divisors (85065852331).

1244414423429 is an equidigital number, since it uses as much as digits as its factorization.

1244414423429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399625 (or 1399591 counting only the distinct ones).

The product of its digits is 884736, while the sum is 44.

The spelling of 1244414423429 in words is "one trillion, two hundred forty-four billion, four hundred fourteen million, four hundred twenty-three thousand, four hundred twenty-nine".