13287266357 has 2 divisors, whose sum is σ = 13287266358. Its totient is φ = 13287266356.

The previous prime is 13287266353. The next prime is 13287266381. The reversal of 13287266357 is 75366278231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11632485316 + 1654781041 = 107854^2 + 40679^2 .

It is a cyclic number.

It is not a de Polignac number, because 13287266357 - 2² = 13287266353 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13287266353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6643633178 + 6643633179.

It is an arithmetic number, because the mean of its divisors is an integer number (6643633179).

Almost surely, 2^13287266357 is an apocalyptic number.

It is an amenable number.

13287266357 is a deficient number, since it is larger than the sum of its proper divisors (1).

13287266357 is an equidigital number, since it uses as much as digits as its factorization.

13287266357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2540160, while the sum is 50.

The spelling of 13287266357 in words is "thirteen billion, two hundred eighty-seven million, two hundred sixty-six thousand, three hundred fifty-seven".