2923784973 has 6 divisors (see below), whose sum is σ = 4223244974. Its totient is φ = 1949189976.

The previous prime is 2923784921. The next prime is 2923784987. The reversal of 2923784973 is 3794873292.

2923784973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1985771844 + 938013129 = 44562^2 + 30627^2 .

It is not a de Polignac number, because 2923784973 - 2²² = 2919590669 is a prime.

It is a super-2 number, since 2×2923784973² = 17097037136681221458, which 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 (2923784993) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 162432490 + ... + 162432507.

Almost surely, 2^2923784973 is an apocalyptic number.

It is an amenable number.

2923784973 is a deficient number, since it is larger than the sum of its proper divisors (1299460001).

2923784973 is a wasteful number, since it uses less digits than its factorization.

2923784973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324865003 (or 324865000 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 2923784973 is about 54072.0350366065. The cubic root of 2923784973 is about 1429.9312032692.

The spelling of 2923784973 in words is "two billion, nine hundred twenty-three million, seven hundred eighty-four thousand, nine hundred seventy-three".