24719494717 has 2 divisors, whose sum is σ = 24719494718. Its totient is φ = 24719494716.

The previous prime is 24719494711. The next prime is 24719494721. The reversal of 24719494717 is 71749491742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12459247641 + 12260247076 = 111621^2 + 110726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24719494717 is a prime.

It is a super-2 number, since 2×24719494717² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24719494711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12359747358 + 12359747359.

It is an arithmetic number, because the mean of its divisors is an integer number (12359747359).

Almost surely, 2^24719494717 is an apocalyptic number.

It is an amenable number.

24719494717 is a deficient number, since it is larger than the sum of its proper divisors (1).

24719494717 is an equidigital number, since it uses as much as digits as its factorization.

24719494717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 55.

The spelling of 24719494717 in words is "twenty-four billion, seven hundred nineteen million, four hundred ninety-four thousand, seven hundred seventeen".