2151526874 has 16 divisors (see below), whose sum is σ = 3688945728. Its totient is φ = 921929472.

The previous prime is 2151526873. The next prime is 2151526877. The reversal of 2151526874 is 4786251512.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2151526873) 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, 127034 + ... + 142970.

It is an arithmetic number, because the mean of its divisors is an integer number (230559108).

Almost surely, 2^2151526874 is an apocalyptic number.

2151526874 is a deficient number, since it is larger than the sum of its proper divisors (1537418854).

2151526874 is a wasteful number, since it uses less digits than its factorization.

2151526874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25589.

The product of its digits is 134400, while the sum is 41.

The square root of 2151526874 is about 46384.5542610900. The cubic root of 2151526874 is about 1290.9683400959.

The spelling of 2151526874 in words is "two billion, one hundred fifty-one million, five hundred twenty-six thousand, eight hundred seventy-four".