2744145551 has 4 divisors (see below), whose sum is σ = 3136166352. Its totient is φ = 2352124752.

The previous prime is 2744145533. The next prime is 2744145557. The reversal of 2744145551 is 1555414472.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2744145551 - 2⁶ = 2744145487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2744145557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196010390 + ... + 196010403.

It is an arithmetic number, because the mean of its divisors is an integer number (784041588).

Almost surely, 2^2744145551 is an apocalyptic number.

2744145551 is a deficient number, since it is larger than the sum of its proper divisors (392020801).

2744145551 is an equidigital number, since it uses as much as digits as its factorization.

2744145551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392020800.

The product of its digits is 112000, while the sum is 38.

The square root of 2744145551 is about 52384.5926871633. The cubic root of 2744145551 is about 1400.0247531338.

The spelling of 2744145551 in words is "two billion, seven hundred forty-four million, one hundred forty-five thousand, five hundred fifty-one".