2658021674 has 16 divisors (see below), whose sum is σ = 4970846016. Its totient is φ = 1035592800.

The previous prime is 2658021671. The next prime is 2658021679. The reversal of 2658021674 is 4761208562.

2658021674 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2658021671) 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, 8629787 + ... + 8630094.

It is an arithmetic number, because the mean of its divisors is an integer number (310677876).

Almost surely, 2^2658021674 is an apocalyptic number.

2658021674 is a deficient number, since it is larger than the sum of its proper divisors (2312824342).

2658021674 is a wasteful number, since it uses less digits than its factorization.

2658021674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17259901.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 2658021674 is about 51556.0052176272. The cubic root of 2658021674 is about 1385.2224006524. Note that the first 3 decimals are identical.

The spelling of 2658021674 in words is "two billion, six hundred fifty-eight million, twenty-one thousand, six hundred seventy-four".