1233001043249 has 2 divisors, whose sum is σ = 1233001043250. Its totient is φ = 1233001043248.

The previous prime is 1233001043233. The next prime is 1233001043251. The reversal of 1233001043249 is 9423401003321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645141484849 + 587859558400 = 803207^2 + 766720^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233001043249 - 2⁴ = 1233001043233 is a prime.

Together with 1233001043251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1233001043149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616500521624 + 616500521625.

It is an arithmetic number, because the mean of its divisors is an integer number (616500521625).

Almost surely, 2^{1233001043249} is an apocalyptic number.

It is an amenable number.

1233001043249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233001043249 is an equidigital number, since it uses as much as digits as its factorization.

1233001043249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 1233001043249 in words is "one trillion, two hundred thirty-three billion, one million, forty-three thousand, two hundred forty-nine".