2673768521 has 8 divisors (see below), whose sum is σ = 2822296800. Its totient is φ = 2533037364.

The previous prime is 2673768511. The next prime is 2673768523. The reversal of 2673768521 is 1258673762.

It is not a de Polignac number, because 2673768521 - 2³⁰ = 1600026697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2673768523) 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, 188051 + ... + 201768.

It is an arithmetic number, because the mean of its divisors is an integer number (352787100).

Almost surely, 2^2673768521 is an apocalyptic number.

It is an amenable number.

2673768521 is a deficient number, since it is larger than the sum of its proper divisors (148528279).

2673768521 is an frugal number, since it uses more digits than its factorization.

2673768521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389876 (or 389838 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 2673768521 is about 51708.4956365973. The cubic root of 2673768521 is about 1387.9524951767.

The spelling of 2673768521 in words is "two billion, six hundred seventy-three million, seven hundred sixty-eight thousand, five hundred twenty-one".