2749073429089 has 9 divisors (see below), whose sum is σ = 2976830662809. Its totient is φ = 2537586345840.

The previous prime is 2749073429021. The next prime is 2749073429119. The reversal of 2749073429089 is 9809243709472.

The square root of 2749073429089 is 1658033.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 82901025 + 2748990528064 = 9105^2 + 1658008^2 .

It is not a de Polignac number, because 2749073429089 - 2¹¹ = 2749073427041 is a prime.

It is a super-2 number, since 2×2749073429089² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2749073429089.

It is not an unprimeable number, because it can be changed into a prime (2749073429789) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21490659 + ... + 21618199.

Almost surely, 2^{2749073429089} is an apocalyptic number.

2749073429089 is the 1658033-rd square number.

2749073429089 is the 829017-th centered octagonal number.

It is an amenable number.

2749073429089 is a deficient number, since it is larger than the sum of its proper divisors (227757233720).

2749073429089 is an frugal number, since it uses more digits than its factorization.

2749073429089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255108 (or 127554 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 64.

Multiplying 2749073429089 by its sum of digits (64), we get a square (175940699461696 = 13264264²).

The spelling of 2749073429089 in words is "two trillion, seven hundred forty-nine billion, seventy-three million, four hundred twenty-nine thousand, eighty-nine".