2146731064 has 32 divisors (see below), whose sum is σ = 4055309280. Its totient is φ = 1065343104.

The previous prime is 2146731043. The next prime is 2146731073. The reversal of 2146731064 is 4601376412.

It is a super-2 number, since 2×2146731064² = 9216908522285144192, 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 766114 + ... + 768910.

It is an arithmetic number, because the mean of its divisors is an integer number (126728415).

Almost surely, 2^2146731064 is an apocalyptic number.

It is an amenable number.

2146731064 is a deficient number, since it is larger than the sum of its proper divisors (1908578216).

2146731064 is a wasteful number, since it uses less digits than its factorization.

2146731064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2146731064 is about 46332.8292250754. The cubic root of 2146731064 is about 1290.0084257207.

The spelling of 2146731064 in words is "two billion, one hundred forty-six million, seven hundred thirty-one thousand, sixty-four".