2530536691 has 2 divisors, whose sum is σ = 2530536692. Its totient is φ = 2530536690.

The previous prime is 2530536689. The next prime is 2530536709. The reversal of 2530536691 is 1966350352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2530536691 - 2¹ = 2530536689 is a prime.

Together with 2530536689, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2530536661) 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 as a sum of consecutive naturals, namely, 1265268345 + 1265268346.

It is an arithmetic number, because the mean of its divisors is an integer number (1265268346).

Almost surely, 2^2530536691 is an apocalyptic number.

2530536691 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530536691 is an equidigital number, since it uses as much as digits as its factorization.

2530536691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145800, while the sum is 40.

The square root of 2530536691 is about 50304.4400724230. The cubic root of 2530536691 is about 1362.7124159578.

The spelling of 2530536691 in words is "two billion, five hundred thirty million, five hundred thirty-six thousand, six hundred ninety-one".