10645440041 has 2 divisors, whose sum is σ = 10645440042. Its totient is φ = 10645440040.

The previous prime is 10645440019. The next prime is 10645440073. The reversal of 10645440041 is 14004454601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7991644816 + 2653795225 = 89396^2 + 51515^2 .

It is a cyclic number.

It is not a de Polignac number, because 10645440041 - 2²² = 10641245737 is a prime.

It is a super-2 number, since 2×10645440041² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10645439986 and 10645440013.

It is not a weakly prime, because it can be changed into another prime (10645440011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322720020 + 5322720021.

It is an arithmetic number, because the mean of its divisors is an integer number (5322720021).

Almost surely, 2^10645440041 is an apocalyptic number.

It is an amenable number.

10645440041 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645440041 is an equidigital number, since it uses as much as digits as its factorization.

10645440041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 10645440041 its reverse (14004454601), we get a palindrome (24649894642).

The spelling of 10645440041 in words is "ten billion, six hundred forty-five million, four hundred forty thousand, forty-one".