146226210569 has 2 divisors, whose sum is σ = 146226210570. Its totient is φ = 146226210568.

The previous prime is 146226210551. The next prime is 146226210619. The reversal of 146226210569 is 965012622641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136308640000 + 9917570569 = 369200^2 + 99587^2 .

It is a cyclic number.

It is not a de Polignac number, because 146226210569 - 2⁸ = 146226210313 is a prime.

It is a super-2 number, since 2×146226210569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (146226210539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 73113105284 + 73113105285.

It is an arithmetic number, because the mean of its divisors is an integer number (73113105285).

Almost surely, 2^146226210569 is an apocalyptic number.

It is an amenable number.

146226210569 is a deficient number, since it is larger than the sum of its proper divisors (1).

146226210569 is an equidigital number, since it uses as much as digits as its factorization.

146226210569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 146226210569 in words is "one hundred forty-six billion, two hundred twenty-six million, two hundred ten thousand, five hundred sixty-nine".