2789023738 has 8 divisors (see below), whose sum is σ = 4220558388. Its totient is φ = 1382170944.

The previous prime is 2789023709. The next prime is 2789023753. The reversal of 2789023738 is 8373209872.

It can be written as a sum of positive squares in 2 ways, for example, as 2245527769 + 543495969 = 47387^2 + 23313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2789023738² = 15557306822254985288, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2789023691 and 2789023700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6170181 + ... + 6170632.

Almost surely, 2^2789023738 is an apocalyptic number.

2789023738 is a deficient number, since it is larger than the sum of its proper divisors (1431534650).

2789023738 is a wasteful number, since it uses less digits than its factorization.

2789023738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12340928.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 2789023738 is about 52811.2084504795. The cubic root of 2789023738 is about 1407.6155965326.

It can be divided in two parts, 278 and 9023738, that added together give a square (9024016 = 3004²).

The spelling of 2789023738 in words is "two billion, seven hundred eighty-nine million, twenty-three thousand, seven hundred thirty-eight".