20233110231749 has 2 divisors, whose sum is σ = 20233110231750. Its totient is φ = 20233110231748.

The previous prime is 20233110231739. The next prime is 20233110231781. The reversal of 20233110231749 is 94713201133202.

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., 20158393836100 + 74716395649 = 4489810^2 + 273343^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20233110231749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20233110231739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10116555115874 + 10116555115875.

It is an arithmetic number, because the mean of its divisors is an integer number (10116555115875).

Almost surely, 2^{20233110231749} is an apocalyptic number.

It is an amenable number.

20233110231749 is a deficient number, since it is larger than the sum of its proper divisors (1).

20233110231749 is an equidigital number, since it uses as much as digits as its factorization.

20233110231749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 20233110231749 in words is "twenty trillion, two hundred thirty-three billion, one hundred ten million, two hundred thirty-one thousand, seven hundred forty-nine".