2749318426 has 4 divisors (see below), whose sum is σ = 4123977642. Its totient is φ = 1374659212.

The previous prime is 2749318393. The next prime is 2749318441. The reversal of 2749318426 is 6248139472.

It is a happy number.

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., 1653642225 + 1095676201 = 40665^2 + 33101^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687329605 + ... + 687329608.

Almost surely, 2^2749318426 is an apocalyptic number.

2749318426 is a deficient number, since it is larger than the sum of its proper divisors (1374659216).

2749318426 is a wasteful number, since it uses less digits than its factorization.

2749318426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374659215.

The product of its digits is 580608, while the sum is 46.

The square root of 2749318426 is about 52433.9434526910. The cubic root of 2749318426 is about 1400.9039104820.

The spelling of 2749318426 in words is "two billion, seven hundred forty-nine million, three hundred eighteen thousand, four hundred twenty-six".