2163617132437 has 2 divisors, whose sum is σ = 2163617132438. Its totient is φ = 2163617132436.

The previous prime is 2163617132419. The next prime is 2163617132441. The reversal of 2163617132437 is 7342317163612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1092528748081 + 1071088384356 = 1045241^2 + 1034934^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163617132437 - 2¹⁵ = 2163617099669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163617132477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081808566218 + 1081808566219.

It is an arithmetic number, because the mean of its divisors is an integer number (1081808566219).

Almost surely, 2^{2163617132437} is an apocalyptic number.

It is an amenable number.

2163617132437 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163617132437 is an equidigital number, since it uses as much as digits as its factorization.

2163617132437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 46.

The spelling of 2163617132437 in words is "two trillion, one hundred sixty-three billion, six hundred seventeen million, one hundred thirty-two thousand, four hundred thirty-seven".