2121510414 has 16 divisors (see below), whose sum is σ = 4248679680. Its totient is φ = 706227000.

The previous prime is 2121510383. The next prime is 2121510439. The reversal of 2121510414 is 4140151212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230904 + ... + 239915.

It is an arithmetic number, because the mean of its divisors is an integer number (265542480).

Almost surely, 2^2121510414 is an apocalyptic number.

2121510414 is an abundant number, since it is smaller than the sum of its proper divisors (2127169266).

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

2121510414 is a wasteful number, since it uses less digits than its factorization.

2121510414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471575.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2121510414 is about 46059.8568603942. The cubic root of 2121510414 is about 1284.9366679360.

Adding to 2121510414 its reverse (4140151212), we get a palindrome (6261661626).

The spelling of 2121510414 in words is "two billion, one hundred twenty-one million, five hundred ten thousand, four hundred fourteen".