2040630797 has 2 divisors, whose sum is σ = 2040630798. Its totient is φ = 2040630796.

The previous prime is 2040630763. The next prime is 2040630847. The reversal of 2040630797 is 7970360402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1879569316 + 161061481 = 43354^2 + 12691^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040630797 - 2²⁰ = 2039582221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2040630797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2040630197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020315398 + 1020315399.

It is an arithmetic number, because the mean of its divisors is an integer number (1020315399).

Almost surely, 2^2040630797 is an apocalyptic number.

It is an amenable number.

2040630797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2040630797 is an equidigital number, since it uses as much as digits as its factorization.

2040630797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 2040630797 is about 45173.3416629764. The cubic root of 2040630797 is about 1268.3958494759.

The spelling of 2040630797 in words is "two billion, forty million, six hundred thirty thousand, seven hundred ninety-seven".