2146421310 has 128 divisors (see below), whose sum is σ = 5730600960. Its totient is φ = 510182400.

The previous prime is 2146421297. The next prime is 2146421323. The reversal of 2146421310 is 131246412.

It is an interprime number because it is at equal distance from previous prime (2146421297) and next prime (2146421323).

It is a super-2 number, since 2×2146421310² = 9214248880044232200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7325524 + ... + 7325816.

It is an arithmetic number, because the mean of its divisors is an integer number (44770320).

Almost surely, 2^2146421310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146421310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2865300480).

2146421310 is an abundant number, since it is smaller than the sum of its proper divisors (3584179650).

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

2146421310 is a wasteful number, since it uses less digits than its factorization.

2146421310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2146421310 is about 46329.4863990526. The cubic root of 2146421310 is about 1289.9463771953.

Adding to 2146421310 its reverse (131246412), we get a palindrome (2277667722).

The spelling of 2146421310 in words is "two billion, one hundred forty-six million, four hundred twenty-one thousand, three hundred ten".