7944429373 has 4 divisors (see below), whose sum is σ = 7988811840. Its totient is φ = 7900046908.

The previous prime is 7944429347. The next prime is 7944429407. The reversal of 7944429373 is 3739244497.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3739244497 = 337 ⋅11095681.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7944429373 is a prime.

It is a super-2 number, since 2×7944429373² (a number of 21 digits) contains 22 as substring.

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 7944429373.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7944429313) 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, 22190965 + ... + 22191322.

It is an arithmetic number, because the mean of its divisors is an integer number (1997202960).

Almost surely, 2^7944429373 is an apocalyptic number.

It is an amenable number.

7944429373 is a deficient number, since it is larger than the sum of its proper divisors (44382467).

7944429373 is a wasteful number, since it uses less digits than its factorization.

7944429373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44382466.

The product of its digits is 4572288, while the sum is 52.

The square root of 7944429373 is about 89131.5285014231. The cubic root of 7944429373 is about 1995.3583502943.

The spelling of 7944429373 in words is "seven billion, nine hundred forty-four million, four hundred twenty-nine thousand, three hundred seventy-three".