13374967477 has 2 divisors, whose sum is σ = 13374967478. Its totient is φ = 13374967476.

The previous prime is 13374967471. The next prime is 13374967517. The reversal of 13374967477 is 77476947331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12168516721 + 1206450756 = 110311^2 + 34734^2 .

It is a cyclic number.

It is not a de Polignac number, because 13374967477 - 2⁷ = 13374967349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13374967471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687483738 + 6687483739.

It is an arithmetic number, because the mean of its divisors is an integer number (6687483739).

Almost surely, 2^13374967477 is an apocalyptic number.

It is an amenable number.

13374967477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13374967477 is an equidigital number, since it uses as much as digits as its factorization.

13374967477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18670176, while the sum is 58.

The spelling of 13374967477 in words is "thirteen billion, three hundred seventy-four million, nine hundred sixty-seven thousand, four hundred seventy-seven".