23010001216849 has 2 divisors, whose sum is σ = 23010001216850. Its totient is φ = 23010001216848.

The previous prime is 23010001216847. The next prime is 23010001216859. The reversal of 23010001216849 is 94861210001032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17846231270400 + 5163769946449 = 4224480^2 + 2272393^2 .

It is a cyclic number.

It is not a de Polignac number, because 23010001216849 - 2¹ = 23010001216847 is a prime.

Together with 23010001216847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (23010001216847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11505000608424 + 11505000608425.

It is an arithmetic number, because the mean of its divisors is an integer number (11505000608425).

Almost surely, 2^{23010001216849} is an apocalyptic number.

It is an amenable number.

23010001216849 is a deficient number, since it is larger than the sum of its proper divisors (1).

23010001216849 is an equidigital number, since it uses as much as digits as its factorization.

23010001216849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The spelling of 23010001216849 in words is "twenty-three trillion, ten billion, one million, two hundred sixteen thousand, eight hundred forty-nine".