2749248623 has 12 divisors (see below), whose sum is σ = 3023181504. Its totient is φ = 2498258400.

The previous prime is 2749248611. The next prime is 2749248631. The reversal of 2749248623 is 3268429472.

It is not a de Polignac number, because 2749248623 - 2¹² = 2749244527 is a prime.

It is a super-2 number, since 2×2749248623² = 15116735982134792258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749248683) 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 11 ways as a sum of consecutive naturals, for example, 499778 + ... + 505248.

It is an arithmetic number, because the mean of its divisors is an integer number (251931792).

Almost surely, 2^2749248623 is an apocalyptic number.

2749248623 is a deficient number, since it is larger than the sum of its proper divisors (273932881).

2749248623 is a wasteful number, since it uses less digits than its factorization.

2749248623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9646 (or 9635 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 2749248623 is about 52433.2778204834. The cubic root of 2749248623 is about 1400.8920544377.

The spelling of 2749248623 in words is "two billion, seven hundred forty-nine million, two hundred forty-eight thousand, six hundred twenty-three".