2973994326 has 16 divisors (see below), whose sum is σ = 6608876400. Its totient is φ = 991331424.

The previous prime is 2973994319. The next prime is 2973994339. The reversal of 2973994326 is 6234993792.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 55073969 = 2973994326 / (2 + 9 + 7 + 3 + 9 + 9 + 4 + 3 + 2 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27536931 + ... + 27537038.

It is an arithmetic number, because the mean of its divisors is an integer number (413054775).

Almost surely, 2^2973994326 is an apocalyptic number.

2973994326 is an abundant number, since it is smaller than the sum of its proper divisors (3634882074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2973994326 is a wasteful number, since it uses less digits than its factorization.

2973994326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55073980 (or 55073974 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The square root of 2973994326 is about 54534.3407955024. The cubic root of 2973994326 is about 1438.0700621555.

The spelling of 2973994326 in words is "two billion, nine hundred seventy-three million, nine hundred ninety-four thousand, three hundred twenty-six".