2124671549 has 36 divisors (see below), whose sum is σ = 2890304928. Its totient is φ = 1528132320.

The previous prime is 2124671533. The next prime is 2124671567. The reversal of 2124671549 is 9451764212.

It is not a de Polignac number, because 2124671549 - 2⁴ = 2124671533 is a prime.

It is a super-2 number, since 2×2124671549² = 9028458382260118802, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124671749) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 135722 + ... + 150564.

It is an arithmetic number, because the mean of its divisors is an integer number (80286248).

Almost surely, 2^2124671549 is an apocalyptic number.

It is an amenable number.

2124671549 is a deficient number, since it is larger than the sum of its proper divisors (765633379).

2124671549 is a wasteful number, since it uses less digits than its factorization.

2124671549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14898 (or 14874 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 2124671549 is about 46094.1595975022. The cubic root of 2124671549 is about 1285.5745534840.

The spelling of 2124671549 in words is "two billion, one hundred twenty-four million, six hundred seventy-one thousand, five hundred forty-nine".