10343545017661 has 2 divisors, whose sum is σ = 10343545017662. Its totient is φ = 10343545017660.

The previous prime is 10343545017623. The next prime is 10343545017679. The reversal of 10343545017661 is 16671054534301.

10343545017661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6067772991225 + 4275772026436 = 2463285^2 + 2067794^2 .

It is a cyclic number.

It is not a de Polignac number, because 10343545017661 - 2²⁷ = 10343410799933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10343545417661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5171772508830 + 5171772508831.

It is an arithmetic number, because the mean of its divisors is an integer number (5171772508831).

Almost surely, 2^{10343545017661} is an apocalyptic number.

It is an amenable number.

10343545017661 is a deficient number, since it is larger than the sum of its proper divisors (1).

10343545017661 is an equidigital number, since it uses as much as digits as its factorization.

10343545017661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 10343545017661 in words is "ten trillion, three hundred forty-three billion, five hundred forty-five million, seventeen thousand, six hundred sixty-one".