2047821275 has 24 divisors (see below), whose sum is σ = 2691211680. Its totient is φ = 1540431360.

The previous prime is 2047821257. The next prime is 2047821287. The reversal of 2047821275 is 5721287402.

It is not a de Polignac number, because 2047821275 - 2¹⁰ = 2047820251 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 707882 + ... + 710768.

It is an arithmetic number, because the mean of its divisors is an integer number (112133820).

Almost surely, 2^2047821275 is an apocalyptic number.

2047821275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2047821275 is a deficient number, since it is larger than the sum of its proper divisors (643390405).

2047821275 is a wasteful number, since it uses less digits than its factorization.

2047821275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583 (or 4578 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 2047821275 is about 45252.8593019270. The cubic root of 2047821275 is about 1269.8838993211.

The spelling of 2047821275 in words is "two billion, forty-seven million, eight hundred twenty-one thousand, two hundred seventy-five".