24897961229 has 2 divisors, whose sum is σ = 24897961230. Its totient is φ = 24897961228.

The previous prime is 24897961213. The next prime is 24897961259. The reversal of 24897961229 is 92216979842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18605505604 + 6292455625 = 136402^2 + 79325^2 .

It is a cyclic number.

It is not a de Polignac number, because 24897961229 - 2⁴ = 24897961213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24897961259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12448980614 + 12448980615.

It is an arithmetic number, because the mean of its divisors is an integer number (12448980615).

Almost surely, 2^24897961229 is an apocalyptic number.

It is an amenable number.

24897961229 is a deficient number, since it is larger than the sum of its proper divisors (1).

24897961229 is an equidigital number, since it uses as much as digits as its factorization.

24897961229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 59.

The spelling of 24897961229 in words is "twenty-four billion, eight hundred ninety-seven million, nine hundred sixty-one thousand, two hundred twenty-nine".