2747238505 has 16 divisors (see below), whose sum is σ = 3807938304. Its totient is φ = 1880462080.

The previous prime is 2747238503. The next prime is 2747238523. The reversal of 2747238505 is 5058327472.

It is not a de Polignac number, because 2747238505 - 2¹ = 2747238503 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2747238503) 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, 1468177 + ... + 1470046.

It is an arithmetic number, because the mean of its divisors is an integer number (237996144).

Almost surely, 2^2747238505 is an apocalyptic number.

It is an amenable number.

2747238505 is a deficient number, since it is larger than the sum of its proper divisors (1060699799).

2747238505 is a wasteful number, since it uses less digits than its factorization.

2747238505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938256.

The product of its (nonzero) digits is 470400, while the sum is 43.

The square root of 2747238505 is about 52414.1059734877. The cubic root of 2747238505 is about 1400.5505496246.

The spelling of 2747238505 in words is "two billion, seven hundred forty-seven million, two hundred thirty-eight thousand, five hundred five".