22030851664537 has 2 divisors, whose sum is σ = 22030851664538. Its totient is φ = 22030851664536.

The previous prime is 22030851664531. The next prime is 22030851664589. The reversal of 22030851664537 is 73546615803022.

It is an a-pointer prime, because the next prime (22030851664589) can be obtained adding 22030851664537 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20439630882441 + 1591220782096 = 4521021^2 + 1261436^2 .

It is a cyclic number.

It is not a de Polignac number, because 22030851664537 - 2³ = 22030851664529 is a prime.

It is not a weakly prime, because it can be changed into another prime (22030851664531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015425832268 + 11015425832269.

It is an arithmetic number, because the mean of its divisors is an integer number (11015425832269).

Almost surely, 2^{22030851664537} is an apocalyptic number.

It is an amenable number.

22030851664537 is a deficient number, since it is larger than the sum of its proper divisors (1).

22030851664537 is an equidigital number, since it uses as much as digits as its factorization.

22030851664537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 22030851664537 in words is "twenty-two trillion, thirty billion, eight hundred fifty-one million, six hundred sixty-four thousand, five hundred thirty-seven".