5436625666477 has 2 divisors, whose sum is σ = 5436625666478. Its totient is φ = 5436625666476.

The previous prime is 5436625666453. The next prime is 5436625666529. The reversal of 5436625666477 is 7746665266345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5054857386601 + 381768279876 = 2248301^2 + 617874^2 .

It is a cyclic number.

It is not a de Polignac number, because 5436625666477 - 2¹⁹ = 5436625142189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5436625666177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2718312833238 + 2718312833239.

It is an arithmetic number, because the mean of its divisors is an integer number (2718312833239).

Almost surely, 2^{5436625666477} is an apocalyptic number.

It is an amenable number.

5436625666477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5436625666477 is an equidigital number, since it uses as much as digits as its factorization.

5436625666477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 914457600, while the sum is 67.

The spelling of 5436625666477 in words is "five trillion, four hundred thirty-six billion, six hundred twenty-five million, six hundred sixty-six thousand, four hundred seventy-seven".