13750306249 has 2 divisors, whose sum is σ = 13750306250. Its totient is φ = 13750306248.

The previous prime is 13750306201. The next prime is 13750306253. The reversal of 13750306249 is 94260305731.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10574420224 + 3175886025 = 102832^2 + 56355^2 .

It is a cyclic number.

It is not a de Polignac number, because 13750306249 - 2¹³ = 13750298057 is a prime.

It is not a weakly prime, because it can be changed into another prime (13750306049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6875153124 + 6875153125.

It is an arithmetic number, because the mean of its divisors is an integer number (6875153125).

Almost surely, 2^13750306249 is an apocalyptic number.

It is an amenable number.

13750306249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13750306249 is an equidigital number, since it uses as much as digits as its factorization.

13750306249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 13750306249 in words is "thirteen billion, seven hundred fifty million, three hundred six thousand, two hundred forty-nine".