2159021933 has 2 divisors, whose sum is σ = 2159021934. Its totient is φ = 2159021932.

The previous prime is 2159021929. The next prime is 2159022007. The reversal of 2159021933 is 3391209512.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2152681609 + 6340324 = 46397^2 + 2518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2159021933 - 2² = 2159021929 is a prime.

It is a super-2 number, since 2×2159021933² = 9322751414350112978, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2159021893 and 2159021902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2159021903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079510966 + 1079510967.

It is an arithmetic number, because the mean of its divisors is an integer number (1079510967).

Almost surely, 2^2159021933 is an apocalyptic number.

It is an amenable number.

2159021933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2159021933 is an equidigital number, since it uses as much as digits as its factorization.

2159021933 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 35.

The square root of 2159021933 is about 46465.2766375064. The cubic root of 2159021933 is about 1292.4656751669.

The spelling of 2159021933 in words is "two billion, one hundred fifty-nine million, twenty-one thousand, nine hundred thirty-three".