2651547823 has 2 divisors, whose sum is σ = 2651547824. Its totient is φ = 2651547822.

The previous prime is 2651547809. The next prime is 2651547883. The reversal of 2651547823 is 3287451562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2651547823 - 2²⁹ = 2114676911 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2651547823.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651547803) 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 as a sum of consecutive naturals, namely, 1325773911 + 1325773912.

It is an arithmetic number, because the mean of its divisors is an integer number (1325773912).

Almost surely, 2^2651547823 is an apocalyptic number.

2651547823 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651547823 is an equidigital number, since it uses as much as digits as its factorization.

2651547823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 43.

The square root of 2651547823 is about 51493.1822963002. The cubic root of 2651547823 is about 1384.0968751102.

The spelling of 2651547823 in words is "two billion, six hundred fifty-one million, five hundred forty-seven thousand, eight hundred twenty-three".