13903067813 has 2 divisors, whose sum is σ = 13903067814. Its totient is φ = 13903067812.

The previous prime is 13903067753. The next prime is 13903067819. The reversal of 13903067813 is 31876030931.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13844346244 + 58721569 = 117662^2 + 7663^2 .

It is a cyclic number.

It is not a de Polignac number, because 13903067813 - 2¹⁰ = 13903066789 is a prime.

It is a super-2 number, since 2×13903067813² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13903067819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6951533906 + 6951533907.

It is an arithmetic number, because the mean of its divisors is an integer number (6951533907).

Almost surely, 2^13903067813 is an apocalyptic number.

It is an amenable number.

13903067813 is a deficient number, since it is larger than the sum of its proper divisors (1).

13903067813 is an equidigital number, since it uses as much as digits as its factorization.

13903067813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 41.

The spelling of 13903067813 in words is "thirteen billion, nine hundred three million, sixty-seven thousand, eight hundred thirteen".