43144125419 has 2 divisors, whose sum is σ = 43144125420. Its totient is φ = 43144125418.

The previous prime is 43144125377. The next prime is 43144125467. The reversal of 43144125419 is 91452144134.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43144125419 is a prime.

It is a super-2 number, since 2×43144125419² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43144125119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21572062709 + 21572062710.

It is an arithmetic number, because the mean of its divisors is an integer number (21572062710).

Almost surely, 2^43144125419 is an apocalyptic number.

43144125419 is a deficient number, since it is larger than the sum of its proper divisors (1).

43144125419 is an equidigital number, since it uses as much as digits as its factorization.

43144125419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The spelling of 43144125419 in words is "forty-three billion, one hundred forty-four million, one hundred twenty-five thousand, four hundred nineteen".