2603993426 has 4 divisors (see below), whose sum is σ = 3905990142. Its totient is φ = 1301996712.

The previous prime is 2603993407. The next prime is 2603993429. The reversal of 2603993426 is 6243993062.

2603993426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2104515625 + 499477801 = 45875^2 + 22349^2 .

It is a super-3 number, since 3×2603993426³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2603993429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 650998355 + ... + 650998358.

Almost surely, 2^2603993426 is an apocalyptic number.

2603993426 is a deficient number, since it is larger than the sum of its proper divisors (1301996716).

2603993426 is a wasteful number, since it uses less digits than its factorization.

2603993426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301996715.

The product of its (nonzero) digits is 419904, while the sum is 44.

The square root of 2603993426 is about 51029.3388748081. The cubic root of 2603993426 is about 1375.7725115321.

The spelling of 2603993426 in words is "two billion, six hundred three million, nine hundred ninety-three thousand, four hundred twenty-six".