13640998003 has 2 divisors, whose sum is σ = 13640998004. Its totient is φ = 13640998002.

The previous prime is 13640998001. The next prime is 13640998057. The reversal of 13640998003 is 30089904631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13640998003 - 2¹ = 13640998001 is a prime.

Together with 13640998001, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13640998001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6820499001 + 6820499002.

It is an arithmetic number, because the mean of its divisors is an integer number (6820499002).

Almost surely, 2^13640998003 is an apocalyptic number.

13640998003 is a deficient number, since it is larger than the sum of its proper divisors (1).

13640998003 is an equidigital number, since it uses as much as digits as its factorization.

13640998003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 139968, while the sum is 43.

The spelling of 13640998003 in words is "thirteen billion, six hundred forty million, nine hundred ninety-eight thousand, three".