13700477971 has 2 divisors, whose sum is σ = 13700477972. Its totient is φ = 13700477970.

The previous prime is 13700477927. The next prime is 13700478017. The reversal of 13700477971 is 17977400731.

It is an a-pointer prime, because the next prime (13700478017) can be obtained adding 13700477971 to its sum of digits (46).

It is a weak prime.

It is an emirp because it is prime and its reverse (17977400731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13700477971 - 2¹¹ = 13700475923 is a prime.

It is not a weakly prime, because it can be changed into another prime (13700477911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6850238985 + 6850238986.

It is an arithmetic number, because the mean of its divisors is an integer number (6850238986).

Almost surely, 2^13700477971 is an apocalyptic number.

13700477971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13700477971 is an equidigital number, since it uses as much as digits as its factorization.

13700477971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259308, while the sum is 46.

The spelling of 13700477971 in words is "thirteen billion, seven hundred million, four hundred seventy-seven thousand, nine hundred seventy-one".