13870733746477 has 2 divisors, whose sum is σ = 13870733746478. Its totient is φ = 13870733746476.

The previous prime is 13870733746453. The next prime is 13870733746549. The reversal of 13870733746477 is 77464733707831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9835882160841 + 4034851585636 = 3136221^2 + 2008694^2 .

It is a cyclic number.

It is not a de Polignac number, because 13870733746477 - 2¹⁹ = 13870733222189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13870733740477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6935366873238 + 6935366873239.

It is an arithmetic number, because the mean of its divisors is an integer number (6935366873239).

Almost surely, 2^{13870733746477} is an apocalyptic number.

It is an amenable number.

13870733746477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13870733746477 is an equidigital number, since it uses as much as digits as its factorization.

13870733746477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 348509952, while the sum is 67.

The spelling of 13870733746477 in words is "thirteen trillion, eight hundred seventy billion, seven hundred thirty-three million, seven hundred forty-six thousand, four hundred seventy-seven".