2161460663029 has 2 divisors, whose sum is σ = 2161460663030. Its totient is φ = 2161460663028.

The previous prime is 2161460662979. The next prime is 2161460663069. The reversal of 2161460663029 is 9203660641612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1423797832900 + 737662830129 = 1193230^2 + 858873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2161460663029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2161460663029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2161460663069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1080730331514 + 1080730331515.

It is an arithmetic number, because the mean of its divisors is an integer number (1080730331515).

Almost surely, 2^{2161460663029} is an apocalyptic number.

It is an amenable number.

2161460663029 is a deficient number, since it is larger than the sum of its proper divisors (1).

2161460663029 is an equidigital number, since it uses as much as digits as its factorization.

2161460663029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 2161460663029 in words is "two trillion, one hundred sixty-one billion, four hundred sixty million, six hundred sixty-three thousand, twenty-nine".