13235401630249 has 2 divisors, whose sum is σ = 13235401630250. Its totient is φ = 13235401630248.

The previous prime is 13235401630117. The next prime is 13235401630291. The reversal of 13235401630249 is 94203610453231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13052468352400 + 182933277849 = 3612820^2 + 427707^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13235401630249 is a prime.

It is not a weakly prime, because it can be changed into another prime (13235401630949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617700815124 + 6617700815125.

It is an arithmetic number, because the mean of its divisors is an integer number (6617700815125).

Almost surely, 2^{13235401630249} is an apocalyptic number.

It is an amenable number.

13235401630249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13235401630249 is an equidigital number, since it uses as much as digits as its factorization.

13235401630249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 43.

The spelling of 13235401630249 in words is "thirteen trillion, two hundred thirty-five billion, four hundred one million, six hundred thirty thousand, two hundred forty-nine".