2609166842701 has 2 divisors, whose sum is σ = 2609166842702. Its totient is φ = 2609166842700.

The previous prime is 2609166842671. The next prime is 2609166842707. The reversal of 2609166842701 is 1072486619062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1357959049225 + 1251207793476 = 1165315^2 + 1118574^2 .

It is a cyclic number.

It is not a de Polignac number, because 2609166842701 - 2¹⁹ = 2609166318413 is a prime.

It is a super-2 number, since 2×2609166842701² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2609166842707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304583421350 + 1304583421351.

It is an arithmetic number, because the mean of its divisors is an integer number (1304583421351).

Almost surely, 2^{2609166842701} is an apocalyptic number.

It is an amenable number.

2609166842701 is a deficient number, since it is larger than the sum of its proper divisors (1).

2609166842701 is an equidigital number, since it uses as much as digits as its factorization.

2609166842701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 2609166842701 in words is "two trillion, six hundred nine billion, one hundred sixty-six million, eight hundred forty-two thousand, seven hundred one".