2040664063 has 4 divisors (see below), whose sum is σ = 2106491968. Its totient is φ = 1974836160.

The previous prime is 2040664057. The next prime is 2040664069. The reversal of 2040664063 is 3604660402.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2040664057) and next prime (2040664069).

It is a cyclic number.

It is not a de Polignac number, because 2040664063 - 2¹³ = 2040655871 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 65827873 = 2040664063 / (2 + 0 + 4 + 0 + 6 + 6 + 4 + 0 + 6 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040664069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32913906 + ... + 32913967.

It is an arithmetic number, because the mean of its divisors is an integer number (526622992).

Almost surely, 2^2040664063 is an apocalyptic number.

2040664063 is a deficient number, since it is larger than the sum of its proper divisors (65827905).

2040664063 is an equidigital number, since it uses as much as digits as its factorization.

2040664063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65827904.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 2040664063 is about 45173.7098653631. The cubic root of 2040664063 is about 1268.4027418263.

The spelling of 2040664063 in words is "two billion, forty million, six hundred sixty-four thousand, sixty-three".