1944234619231 has 4 divisors (see below), whose sum is σ = 1944238130632. Its totient is φ = 1944231107832.

The previous prime is 1944234619199. The next prime is 1944234619267. The reversal of 1944234619231 is 1329164324491.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1944234619231 - 2⁵ = 1944234619199 is a prime.

It is a super-2 number, since 2×1944234619231² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944234619531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722481 + ... + 2100106.

It is an arithmetic number, because the mean of its divisors is an integer number (486059532658).

Almost surely, 2^{1944234619231} is an apocalyptic number.

1944234619231 is a deficient number, since it is larger than the sum of its proper divisors (3511401).

1944234619231 is an equidigital number, since it uses as much as digits as its factorization.

1944234619231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511400.

The product of its digits is 1119744, while the sum is 49.

The spelling of 1944234619231 in words is "one trillion, nine hundred forty-four billion, two hundred thirty-four million, six hundred nineteen thousand, two hundred thirty-one".