2646368690 has 32 divisors (see below), whose sum is σ = 5445926784. Its totient is φ = 906998400.

The previous prime is 2646368687. The next prime is 2646368693. The reversal of 2646368690 is 968636462.

It is an interprime number because it is at equal distance from previous prime (2646368687) and next prime (2646368693).

It is a super-2 number, since 2×2646368690² = 14006534486824632200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2646368693) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 264662 + ... + 274478.

It is an arithmetic number, because the mean of its divisors is an integer number (170185212).

Almost surely, 2^2646368690 is an apocalyptic number.

2646368690 is an abundant number, since it is smaller than the sum of its proper divisors (2799558094).

2646368690 is a wasteful number, since it uses less digits than its factorization.

2646368690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13682.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The square root of 2646368690 is about 51442.8682131936. The cubic root of 2646368690 is about 1383.1951258191.

The spelling of 2646368690 in words is "two billion, six hundred forty-six million, three hundred sixty-eight thousand, six hundred ninety".