2748380655 has 16 divisors (see below), whose sum is σ = 4430980224. Its totient is φ = 1454612640.

The previous prime is 2748380651. The next prime is 2748380659. The reversal of 2748380655 is 5560838472.

It is an interprime number because it is at equal distance from previous prime (2748380651) and next prime (2748380659).

It is not a de Polignac number, because 2748380655 - 2² = 2748380651 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2748380651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 697369 + ... + 701298.

It is an arithmetic number, because the mean of its divisors is an integer number (276936264).

Almost surely, 2^2748380655 is an apocalyptic number.

2748380655 is a deficient number, since it is larger than the sum of its proper divisors (1682599569).

2748380655 is a wasteful number, since it uses less digits than its factorization.

2748380655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1398806.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 2748380655 is about 52425.0002861230. Note that the first 3 decimals coincide. The cubic root of 2748380655 is about 1400.7446132486.

The spelling of 2748380655 in words is "two billion, seven hundred forty-eight million, three hundred eighty thousand, six hundred fifty-five".