2630966693 has 4 divisors (see below), whose sum is σ = 2680607628. Its totient is φ = 2581325760.

The previous prime is 2630966687. The next prime is 2630966707. The reversal of 2630966693 is 3966690362.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1089462049 + 1541504644 = 33007^2 + 39262^2 .

It is a cyclic number.

It is not a de Polignac number, because 2630966693 - 2⁴ = 2630966677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630966603) 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 3 ways as a sum of consecutive naturals, for example, 24820388 + ... + 24820493.

It is an arithmetic number, because the mean of its divisors is an integer number (670151907).

Almost surely, 2^2630966693 is an apocalyptic number.

It is an amenable number.

2630966693 is a deficient number, since it is larger than the sum of its proper divisors (49640935).

2630966693 is an equidigital number, since it uses as much as digits as its factorization.

2630966693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49640934.

The product of its (nonzero) digits is 1889568, while the sum is 50.

The square root of 2630966693 is about 51292.9497397059. The cubic root of 2630966693 is about 1380.5064816324.

The spelling of 2630966693 in words is "two billion, six hundred thirty million, nine hundred sixty-six thousand, six hundred ninety-three".