2623864738 has 16 divisors (see below), whose sum is σ = 4432101120. Its totient is φ = 1154192400.

The previous prime is 2623864729. The next prime is 2623864739. The reversal of 2623864738 is 8374683262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2623864691 and 2623864700.

It is not an unprimeable number, because it can be changed into a prime (2623864739) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1922973 + ... + 1924336.

It is an arithmetic number, because the mean of its divisors is an integer number (277006320).

Almost surely, 2^2623864738 is an apocalyptic number.

2623864738 is a deficient number, since it is larger than the sum of its proper divisors (1808236382).

2623864738 is a wasteful number, since it uses less digits than its factorization.

2623864738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3847353.

The product of its digits is 2322432, while the sum is 49.

The square root of 2623864738 is about 51223.6736089867. The cubic root of 2623864738 is about 1379.2631959105.

The spelling of 2623864738 in words is "two billion, six hundred twenty-three million, eight hundred sixty-four thousand, seven hundred thirty-eight".