10645445177 has 2 divisors, whose sum is σ = 10645445178. Its totient is φ = 10645445176.

The previous prime is 10645445099. The next prime is 10645445201. The reversal of 10645445177 is 77154454601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5562325561 + 5083119616 = 74581^2 + 71296^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10645445177 is a prime.

It is a super-2 number, since 2×10645445177² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10645445977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322722588 + 5322722589.

It is an arithmetic number, because the mean of its divisors is an integer number (5322722589).

Almost surely, 2^10645445177 is an apocalyptic number.

It is an amenable number.

10645445177 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645445177 is an equidigital number, since it uses as much as digits as its factorization.

10645445177 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 44.

Adding to 10645445177 its reverse (77154454601), we get a palindrome (87799899778).

The spelling of 10645445177 in words is "ten billion, six hundred forty-five million, four hundred forty-five thousand, one hundred seventy-seven".