24494281969 has 2 divisors, whose sum is σ = 24494281970. Its totient is φ = 24494281968.

The previous prime is 24494281967. The next prime is 24494281979. The reversal of 24494281969 is 96918249442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22950735025 + 1543546944 = 151495^2 + 39288^2 .

It is a cyclic number.

It is not a de Polignac number, because 24494281969 - 2¹ = 24494281967 is a prime.

It is a super-2 number, since 2×24494281969² (a number of 22 digits) contains 22 as substring.

Together with 24494281967, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (24494281967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12247140984 + 12247140985.

It is an arithmetic number, because the mean of its divisors is an integer number (12247140985).

Almost surely, 2^24494281969 is an apocalyptic number.

It is an amenable number.

24494281969 is a deficient number, since it is larger than the sum of its proper divisors (1).

24494281969 is an equidigital number, since it uses as much as digits as its factorization.

24494281969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8957952, while the sum is 58.

The spelling of 24494281969 in words is "twenty-four billion, four hundred ninety-four million, two hundred eighty-one thousand, nine hundred sixty-nine".