12464552077 has 2 divisors, whose sum is σ = 12464552078. Its totient is φ = 12464552076.

The previous prime is 12464552063. The next prime is 12464552117. The reversal of 12464552077 is 77025546421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12239881956 + 224670121 = 110634^2 + 14989^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12464552077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12464552017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6232276038 + 6232276039.

It is an arithmetic number, because the mean of its divisors is an integer number (6232276039).

Almost surely, 2^12464552077 is an apocalyptic number.

It is an amenable number.

12464552077 is a deficient number, since it is larger than the sum of its proper divisors (1).

12464552077 is an equidigital number, since it uses as much as digits as its factorization.

12464552077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 12464552077 in words is "twelve billion, four hundred sixty-four million, five hundred fifty-two thousand, seventy-seven".