24994661399 has 2 divisors, whose sum is σ = 24994661400. Its totient is φ = 24994661398.

The previous prime is 24994661389. The next prime is 24994661437. The reversal of 24994661399 is 99316649942.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24994661399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24994661359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12497330699 + 12497330700.

It is an arithmetic number, because the mean of its divisors is an integer number (12497330700).

Almost surely, 2^24994661399 is an apocalyptic number.

24994661399 is a deficient number, since it is larger than the sum of its proper divisors (1).

24994661399 is an equidigital number, since it uses as much as digits as its factorization.

24994661399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22674816, while the sum is 62.

The spelling of 24994661399 in words is "twenty-four billion, nine hundred ninety-four million, six hundred sixty-one thousand, three hundred ninety-nine".