24264220148921 has 2 divisors, whose sum is σ = 24264220148922. Its totient is φ = 24264220148920.

The previous prime is 24264220148893. The next prime is 24264220148947. The reversal of 24264220148921 is 12984102246242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15889192515625 + 8375027633296 = 3986125^2 + 2893964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-24264220148921 is a prime.

It is not a weakly prime, because it can be changed into another prime (24264220748921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12132110074460 + 12132110074461.

It is an arithmetic number, because the mean of its divisors is an integer number (12132110074461).

Almost surely, 2^{24264220148921} is an apocalyptic number.

It is an amenable number.

24264220148921 is a deficient number, since it is larger than the sum of its proper divisors (1).

24264220148921 is an equidigital number, since it uses as much as digits as its factorization.

24264220148921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 884736, while the sum is 47.

The spelling of 24264220148921 in words is "twenty-four trillion, two hundred sixty-four billion, two hundred twenty million, one hundred forty-eight thousand, nine hundred twenty-one".