2653772273 has 8 divisors (see below), whose sum is σ = 2745418536. Its totient is φ = 2563408000.

The previous prime is 2653772263. The next prime is 2653772279. The reversal of 2653772273 is 3722773562.

It can be written as a sum of positive squares in 4 ways, for example, as 431309824 + 2222462449 = 20768^2 + 47143^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2653772273 - 2¹⁴ = 2653755889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2653772279) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316286 + ... + 324567.

It is an arithmetic number, because the mean of its divisors is an integer number (343177317).

Almost surely, 2^2653772273 is an apocalyptic number.

It is an amenable number.

2653772273 is a deficient number, since it is larger than the sum of its proper divisors (91646263).

2653772273 is a wasteful number, since it uses less digits than its factorization.

2653772273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640995.

The product of its digits is 740880, while the sum is 44.

The square root of 2653772273 is about 51514.7772294514. Note that the first 3 decimals coincide. The cubic root of 2653772273 is about 1384.4838181242.

The spelling of 2653772273 in words is "two billion, six hundred fifty-three million, seven hundred seventy-two thousand, two hundred seventy-three".