5477236639969 has 2 divisors, whose sum is σ = 5477236639970. Its totient is φ = 5477236639968.

The previous prime is 5477236639933. The next prime is 5477236640077. The reversal of 5477236639969 is 9699366327745.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4582973260944 + 894263379025 = 2140788^2 + 945655^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5477236639969 is a prime.

It is a super-2 number, since 2×5477236639969² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5477236639895 and 5477236639904.

It is not a weakly prime, because it can be changed into another prime (5477236639169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2738618319984 + 2738618319985.

It is an arithmetic number, because the mean of its divisors is an integer number (2738618319985).

Almost surely, 2^{5477236639969} is an apocalyptic number.

It is an amenable number.

5477236639969 is a deficient number, since it is larger than the sum of its proper divisors (1).

5477236639969 is an equidigital number, since it uses as much as digits as its factorization.

5477236639969 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2777664960, while the sum is 76.

The spelling of 5477236639969 in words is "five trillion, four hundred seventy-seven billion, two hundred thirty-six million, six hundred thirty-nine thousand, nine hundred sixty-nine".