2642064663 has 24 divisors (see below), whose sum is σ = 4167365760. Its totient is φ = 1484157360.

The previous prime is 2642064647. The next prime is 2642064679. The reversal of 2642064663 is 3664602462.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2642064647) and next prime (2642064679).

It is not a de Polignac number, because 2642064663 - 2⁴ = 2642064647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642064643) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 143643 + ... + 160988.

It is an arithmetic number, because the mean of its divisors is an integer number (173640240).

Almost surely, 2^2642064663 is an apocalyptic number.

2642064663 is a deficient number, since it is larger than the sum of its proper divisors (1525301097).

2642064663 is a wasteful number, since it uses less digits than its factorization.

2642064663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304707 (or 304700 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The square root of 2642064663 is about 51401.0181124849. The cubic root of 2642064663 is about 1382.4448474500. Note that the first 3 decimals are identical.

The spelling of 2642064663 in words is "two billion, six hundred forty-two million, sixty-four thousand, six hundred sixty-three".