24928763947 has 2 divisors, whose sum is σ = 24928763948. Its totient is φ = 24928763946.

The previous prime is 24928763897. The next prime is 24928764019. The reversal of 24928763947 is 74936782942.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24928763947 is a prime.

It is not a weakly prime, because it can be changed into another prime (24928763047) 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, 12464381973 + 12464381974.

It is an arithmetic number, because the mean of its divisors is an integer number (12464381974).

Almost surely, 2^24928763947 is an apocalyptic number.

24928763947 is a deficient number, since it is larger than the sum of its proper divisors (1).

24928763947 is an equidigital number, since it uses as much as digits as its factorization.

24928763947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 61.

The spelling of 24928763947 in words is "twenty-four billion, nine hundred twenty-eight million, seven hundred sixty-three thousand, nine hundred forty-seven".