2164433504537 has 2 divisors, whose sum is σ = 2164433504538. Its totient is φ = 2164433504536.

The previous prime is 2164433504501. The next prime is 2164433504573. The reversal of 2164433504537 is 7354053344612.

Together with next prime (2164433504573) it forms an Ormiston pair, because they use the same digits, order apart.

It is a balanced prime because it is at equal distance from previous prime (2164433504501) and next prime (2164433504573).

It can be written as a sum of positive squares in only one way, i.e., 1275569206921 + 888864297616 = 1129411^2 + 942796^2 .

It is a cyclic number.

It is not a de Polignac number, because 2164433504537 - 2³² = 2160138537241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2164433504491 and 2164433504500.

It is not a weakly prime, because it can be changed into another prime (2164433504237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1082216752268 + 1082216752269.

It is an arithmetic number, because the mean of its divisors is an integer number (1082216752269).

Almost surely, 2^{2164433504537} is an apocalyptic number.

It is an amenable number.

2164433504537 is a deficient number, since it is larger than the sum of its proper divisors (1).

2164433504537 is an equidigital number, since it uses as much as digits as its factorization.

2164433504537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3628800, while the sum is 47.

The spelling of 2164433504537 in words is "two trillion, one hundred sixty-four billion, four hundred thirty-three million, five hundred four thousand, five hundred thirty-seven".