2163534461251 has 2 divisors, whose sum is σ = 2163534461252. Its totient is φ = 2163534461250.

The previous prime is 2163534461227. The next prime is 2163534461269. The reversal of 2163534461251 is 1521644353612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2163534461251 - 2¹⁷ = 2163534330179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2163534461198 and 2163534461207.

It is not a weakly prime, because it can be changed into another prime (2163534461281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081767230625 + 1081767230626.

It is an arithmetic number, because the mean of its divisors is an integer number (1081767230626).

Almost surely, 2^{2163534461251} is an apocalyptic number.

2163534461251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163534461251 is an equidigital number, since it uses as much as digits as its factorization.

2163534461251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 518400, while the sum is 43.

The spelling of 2163534461251 in words is "two trillion, one hundred sixty-three billion, five hundred thirty-four million, four hundred sixty-one thousand, two hundred fifty-one".