24240643455797 has 2 divisors, whose sum is σ = 24240643455798. Its totient is φ = 24240643455796.

The previous prime is 24240643455737. The next prime is 24240643455823. The reversal of 24240643455797 is 79755434604242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15250516746481 + 8990126709316 = 3905191^2 + 2998354^2 .

It is a cyclic number.

It is not a de Polignac number, because 24240643455797 - 2⁶ = 24240643455733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (24240643455737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12120321727898 + 12120321727899.

It is an arithmetic number, because the mean of its divisors is an integer number (12120321727899).

Almost surely, 2^{24240643455797} is an apocalyptic number.

It is an amenable number.

24240643455797 is a deficient number, since it is larger than the sum of its proper divisors (1).

24240643455797 is an equidigital number, since it uses as much as digits as its factorization.

24240643455797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 203212800, while the sum is 62.

The spelling of 24240643455797 in words is "twenty-four trillion, two hundred forty billion, six hundred forty-three million, four hundred fifty-five thousand, seven hundred ninety-seven".