13475326477 has 2 divisors, whose sum is σ = 13475326478. Its totient is φ = 13475326476.

The previous prime is 13475326463. The next prime is 13475326483. The reversal of 13475326477 is 77462357431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10365479721 + 3109846756 = 101811^2 + 55766^2 .

It is a cyclic number.

It is not a de Polignac number, because 13475326477 - 2¹⁵ = 13475293709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13475326477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13475329477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6737663238 + 6737663239.

It is an arithmetic number, because the mean of its divisors is an integer number (6737663239).

Almost surely, 2^13475326477 is an apocalyptic number.

It is an amenable number.

13475326477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13475326477 is an equidigital number, since it uses as much as digits as its factorization.

13475326477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2963520, while the sum is 49.

The spelling of 13475326477 in words is "thirteen billion, four hundred seventy-five million, three hundred twenty-six thousand, four hundred seventy-seven".