2161460663069 has 2 divisors, whose sum is σ = 2161460663070. Its totient is φ = 2161460663068.

The previous prime is 2161460663029. The next prime is 2161460663093. The reversal of 2161460663069 is 9603660641612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1109994994969 + 1051465668100 = 1053563^2 + 1025410^2 .

It is a cyclic number.

It is not a de Polignac number, because 2161460663069 - 2¹⁶ = 2161460597533 is a prime.

It is a super-2 number, since 2×2161460663069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2161460663029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080730331534 + 1080730331535.

It is an arithmetic number, because the mean of its divisors is an integer number (1080730331535).

Almost surely, 2^{2161460663069} is an apocalyptic number.

It is an amenable number.

2161460663069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161460663069 is an equidigital number, since it uses as much as digits as its factorization.

2161460663069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The spelling of 2161460663069 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, six hundred sixty-three thousand, sixty-nine".