24269978779 has 2 divisors, whose sum is σ = 24269978780. Its totient is φ = 24269978778.

The previous prime is 24269978729. The next prime is 24269978783. The reversal of 24269978779 is 97787996242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 24269978779 - 2⁹ = 24269978267 is a prime.

It is a super-2 number, since 2×24269978779² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (24269978729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12134989389 + 12134989390.

It is an arithmetic number, because the mean of its divisors is an integer number (12134989390).

Almost surely, 2^24269978779 is an apocalyptic number.

24269978779 is a deficient number, since it is larger than the sum of its proper divisors (1).

24269978779 is an equidigital number, since it uses as much as digits as its factorization.

24269978779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192036096, while the sum is 70.

The spelling of 24269978779 in words is "twenty-four billion, two hundred sixty-nine million, nine hundred seventy-eight thousand, seven hundred seventy-nine".