13717719901 has 2 divisors, whose sum is σ = 13717719902. Its totient is φ = 13717719900.

The previous prime is 13717719887. The next prime is 13717719929. The reversal of 13717719901 is 10991771731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13402692900 + 315027001 = 115770^2 + 17749^2 .

It is a cyclic number.

It is not a de Polignac number, because 13717719901 - 2⁷ = 13717719773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13717719971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6858859950 + 6858859951.

It is an arithmetic number, because the mean of its divisors is an integer number (6858859951).

Almost surely, 2^13717719901 is an apocalyptic number.

It is an amenable number.

13717719901 is a deficient number, since it is larger than the sum of its proper divisors (1).

13717719901 is an equidigital number, since it uses as much as digits as its factorization.

13717719901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 83349, while the sum is 46.

The spelling of 13717719901 in words is "thirteen billion, seven hundred seventeen million, seven hundred nineteen thousand, nine hundred one".