13903788737 has 2 divisors, whose sum is σ = 13903788738. Its totient is φ = 13903788736.

The previous prime is 13903788727. The next prime is 13903788751. The reversal of 13903788737 is 73788730931.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12877483441 + 1026305296 = 113479^2 + 32036^2 .

It is an emirp because it is prime and its reverse (73788730931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13903788737 - 2¹⁰ = 13903787713 is a prime.

It is not a weakly prime, because it can be changed into another prime (13903788727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951894368 + 6951894369.

It is an arithmetic number, because the mean of its divisors is an integer number (6951894369).

Almost surely, 2^13903788737 is an apocalyptic number.

It is an amenable number.

13903788737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13903788737 is an equidigital number, since it uses as much as digits as its factorization.

13903788737 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 56.

The spelling of 13903788737 in words is "thirteen billion, nine hundred three million, seven hundred eighty-eight thousand, seven hundred thirty-seven".