2064242690 has 8 divisors (see below), whose sum is σ = 3715636860. Its totient is φ = 825697072.

The previous prime is 2064242671. The next prime is 2064242723. The reversal of 2064242690 is 962424602.

It can be written as a sum of positive squares in 2 ways, for example, as 1938376729 + 125865961 = 44027^2 + 11219^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2064242690² = 8522195766436872200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2064242690.

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 3 ways as a sum of consecutive naturals, for example, 103212125 + ... + 103212144.

Almost surely, 2^2064242690 is an apocalyptic number.

2064242690 is a deficient number, since it is larger than the sum of its proper divisors (1651394170).

2064242690 is a wasteful number, since it uses less digits than its factorization.

2064242690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206424276.

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 2064242690 is about 45433.9376457731. The cubic root of 2064242690 is about 1273.2692528415.

The spelling of 2064242690 in words is "two billion, sixty-four million, two hundred forty-two thousand, six hundred ninety".