24494281979 has 2 divisors, whose sum is σ = 24494281980. Its totient is φ = 24494281978.

The previous prime is 24494281969. The next prime is 24494281991. The reversal of 24494281979 is 97918249442.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 24494281979 - 2²⁴ = 24477504763 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (24494281969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12247140989 + 12247140990.

It is an arithmetic number, because the mean of its divisors is an integer number (12247140990).

Almost surely, 2^24494281979 is an apocalyptic number.

24494281979 is a deficient number, since it is larger than the sum of its proper divisors (1).

24494281979 is an equidigital number, since it uses as much as digits as its factorization.

24494281979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 59.

The spelling of 24494281979 in words is "twenty-four billion, four hundred ninety-four million, two hundred eighty-one thousand, nine hundred seventy-nine".