43144125619 has 16 divisors (see below), whose sum is σ = 49628989696. Its totient is φ = 36740239200.

The previous prime is 43144125617. The next prime is 43144125643. The reversal of 43144125619 is 91652144134.

43144125619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43144125619 - 2¹ = 43144125617 is a prime.

It is a super-2 number, since 2×43144125619² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43144125617) 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, 817789 + ... + 868945.

It is an arithmetic number, because the mean of its divisors is an integer number (3101811856).

Almost surely, 2^43144125619 is an apocalyptic number.

43144125619 is a deficient number, since it is larger than the sum of its proper divisors (6484864077).

43144125619 is a wasteful number, since it uses less digits than its factorization.

43144125619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51946.

The product of its digits is 103680, while the sum is 40.

The spelling of 43144125619 in words is "forty-three billion, one hundred forty-four million, one hundred twenty-five thousand, six hundred nineteen".