13342543477 has 2 divisors, whose sum is σ = 13342543478. Its totient is φ = 13342543476.

The previous prime is 13342543457. The next prime is 13342543507. The reversal of 13342543477 is 77434524331.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12359658276 + 982885201 = 111174^2 + 31351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13342543477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13342543427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6671271738 + 6671271739.

It is an arithmetic number, because the mean of its divisors is an integer number (6671271739).

Almost surely, 2^13342543477 is an apocalyptic number.

It is an amenable number.

13342543477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13342543477 is an equidigital number, since it uses as much as digits as its factorization.

13342543477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 846720, while the sum is 43.

The spelling of 13342543477 in words is "thirteen billion, three hundred forty-two million, five hundred forty-three thousand, four hundred seventy-seven".