2745769551 has 16 divisors (see below), whose sum is σ = 4197493248. Its totient is φ = 1563962400.

The previous prime is 2745769529. The next prime is 2745769573. The reversal of 2745769551 is 1559675472.

It is an interprime number because it is at equal distance from previous prime (2745769529) and next prime (2745769573).

It is not a de Polignac number, because 2745769551 - 2⁷ = 2745769423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2745769494 and 2745769503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745769151) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 203680 + ... + 216741.

It is an arithmetic number, because the mean of its divisors is an integer number (262343328).

Almost surely, 2^2745769551 is an apocalyptic number.

2745769551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2745769551 is a deficient number, since it is larger than the sum of its proper divisors (1451723697).

2745769551 is a wasteful number, since it uses less digits than its factorization.

2745769551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420742.

The product of its digits is 2646000, while the sum is 51.

The square root of 2745769551 is about 52400.0911354169. The cubic root of 2745769551 is about 1400.3008793798.

The spelling of 2745769551 in words is "two billion, seven hundred forty-five million, seven hundred sixty-nine thousand, five hundred fifty-one".