249072911093 has 2 divisors, whose sum is σ = 249072911094. Its totient is φ = 249072911092.

The previous prime is 249072911057. The next prime is 249072911159. The reversal of 249072911093 is 390119270942.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240509814724 + 8563096369 = 490418^2 + 92537^2 .

It is a cyclic number.

It is not a de Polignac number, because 249072911093 - 2⁶ = 249072911029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (249071911093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124536455546 + 124536455547.

It is an arithmetic number, because the mean of its divisors is an integer number (124536455547).

Almost surely, 2^249072911093 is an apocalyptic number.

It is an amenable number.

249072911093 is a deficient number, since it is larger than the sum of its proper divisors (1).

249072911093 is an equidigital number, since it uses as much as digits as its factorization.

249072911093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 244944, while the sum is 47.

The spelling of 249072911093 in words is "two hundred forty-nine billion, seventy-two million, nine hundred eleven thousand, ninety-three".