2749738426 has 8 divisors (see below), whose sum is σ = 4139286804. Its totient is φ = 1369976160.

The previous prime is 2749738417. The next prime is 2749738429. The reversal of 2749738426 is 6248379472.

It can be written as a sum of positive squares in 2 ways, for example, as 2714514201 + 35224225 = 52101^2 + 5935^2 .

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

It is a super-2 number, since 2×2749738426² = 15122122822841914952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2749738429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445825 + ... + 2446948.

Almost surely, 2^2749738426 is an apocalyptic number.

2749738426 is a deficient number, since it is larger than the sum of its proper divisors (1389548378).

2749738426 is a wasteful number, since it uses less digits than its factorization.

2749738426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4893056.

The product of its digits is 4064256, while the sum is 52.

The square root of 2749738426 is about 52437.9483389654. The cubic root of 2749738426 is about 1400.9752432746.

The spelling of 2749738426 in words is "two billion, seven hundred forty-nine million, seven hundred thirty-eight thousand, four hundred twenty-six".