13033607987 has 2 divisors, whose sum is σ = 13033607988. Its totient is φ = 13033607986.

The previous prime is 13033607969. The next prime is 13033607989. The reversal of 13033607987 is 78970633031.

It is a strong prime.

It is an emirp because it is prime and its reverse (78970633031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13033607987 - 2¹⁶ = 13033542451 is a prime.

Together with 13033607989, 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 (13033607989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6516803993 + 6516803994.

It is an arithmetic number, because the mean of its divisors is an integer number (6516803994).

Almost surely, 2^13033607987 is an apocalyptic number.

13033607987 is a deficient number, since it is larger than the sum of its proper divisors (1).

13033607987 is an equidigital number, since it uses as much as digits as its factorization.

13033607987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 13033607987 in words is "thirteen billion, thirty-three million, six hundred seven thousand, nine hundred eighty-seven".