2121532674 has 32 divisors (see below), whose sum is σ = 4290335424. Its totient is φ = 699316800.

The previous prime is 2121532661. The next prime is 2121532711. The reversal of 2121532674 is 4762351212.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660757 + ... + 663959.

It is an arithmetic number, because the mean of its divisors is an integer number (134072982).

Almost surely, 2^2121532674 is an apocalyptic number.

2121532674 is an abundant number, since it is smaller than the sum of its proper divisors (2168802750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121532674 is a wasteful number, since it uses less digits than its factorization.

2121532674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4402.

The product of its digits is 20160, while the sum is 33.

The square root of 2121532674 is about 46060.0985018486. The cubic root of 2121532674 is about 1284.9411619968.

Adding to 2121532674 its reverse (4762351212), we get a palindrome (6883883886).

The spelling of 2121532674 in words is "two billion, one hundred twenty-one million, five hundred thirty-two thousand, six hundred seventy-four".