23849561093 has 2 divisors, whose sum is σ = 23849561094. Its totient is φ = 23849561092.

The previous prime is 23849561089. The next prime is 23849561149. The reversal of 23849561093 is 39016594832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23849551489 + 9604 = 154433^2 + 98^2 .

It is a cyclic number.

It is not a de Polignac number, because 23849561093 - 2² = 23849561089 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23849561993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11924780546 + 11924780547.

It is an arithmetic number, because the mean of its divisors is an integer number (11924780547).

Almost surely, 2^23849561093 is an apocalyptic number.

It is an amenable number.

23849561093 is a deficient number, since it is larger than the sum of its proper divisors (1).

23849561093 is an equidigital number, since it uses as much as digits as its factorization.

23849561093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1399680, while the sum is 50.

The spelling of 23849561093 in words is "twenty-three billion, eight hundred forty-nine million, five hundred sixty-one thousand, ninety-three".