2443376997 has 12 divisors (see below), whose sum is σ = 3530056140. Its totient is φ = 1628579328.

The previous prime is 2443376989. The next prime is 2443377007. The reversal of 2443376997 is 7996733442.

2443376997 is a `hidden beast` number, since 244 + 337 + 69 + 9 + 7 = 666.

2443376997 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 2 ways, for example, as 958893156 + 1484483841 = 30966^2 + 38529^2 .

It is not a de Polignac number, because 2443376997 - 2³ = 2443376989 is a prime.

It is a super-2 number, since 2×2443376997² = 11940182298937476018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443376927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22213 + ... + 73349.

It is an arithmetic number, because the mean of its divisors is an integer number (294171345).

Almost surely, 2^2443376997 is an apocalyptic number.

It is an amenable number.

2443376997 is a deficient number, since it is larger than the sum of its proper divisors (1086679143).

2443376997 is a wasteful number, since it uses less digits than its factorization.

2443376997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56452 (or 56449 counting only the distinct ones).

The product of its digits is 6858432, while the sum is 54.

The square root of 2443376997 is about 49430.5269747350. The cubic root of 2443376997 is about 1346.8838959919.

The spelling of 2443376997 in words is "two billion, four hundred forty-three million, three hundred seventy-six thousand, nine hundred ninety-seven".