24768779141 has 2 divisors, whose sum is σ = 24768779142. Its totient is φ = 24768779140.

The previous prime is 24768779093. The next prime is 24768779159. The reversal of 24768779141 is 14197786742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16204017025 + 8564762116 = 127295^2 + 92546^2 .

It is a cyclic number.

It is not a de Polignac number, because 24768779141 - 2¹⁰ = 24768778117 is a prime.

It is a super-2 number, since 2×24768779141² (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 (24768772141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12384389570 + 12384389571.

It is an arithmetic number, because the mean of its divisors is an integer number (12384389571).

Almost surely, 2^24768779141 is an apocalyptic number.

It is an amenable number.

24768779141 is a deficient number, since it is larger than the sum of its proper divisors (1).

24768779141 is an equidigital number, since it uses as much as digits as its factorization.

24768779141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 56.

The spelling of 24768779141 in words is "twenty-four billion, seven hundred sixty-eight million, seven hundred seventy-nine thousand, one hundred forty-one".