23600198549 has 2 divisors, whose sum is σ = 23600198550. Its totient is φ = 23600198548.

The previous prime is 23600198533. The next prime is 23600198591. The reversal of 23600198549 is 94589100632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12147346225 + 11452852324 = 110215^2 + 107018^2 .

It is a cyclic number.

It is not a de Polignac number, because 23600198549 - 2⁴ = 23600198533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23600198249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11800099274 + 11800099275.

It is an arithmetic number, because the mean of its divisors is an integer number (11800099275).

Almost surely, 2^23600198549 is an apocalyptic number.

It is an amenable number.

23600198549 is a deficient number, since it is larger than the sum of its proper divisors (1).

23600198549 is an equidigital number, since it uses as much as digits as its factorization.

23600198549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 23600198549 in words is "twenty-three billion, six hundred million, one hundred ninety-eight thousand, five hundred forty-nine".