920864444869433 has 2 divisors, whose sum is σ = 920864444869434. Its totient is φ = 920864444869432.

The previous prime is 920864444869393. The next prime is 920864444869513. The reversal of 920864444869433 is 334968444468029.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 757055854563904 + 163808590305529 = 27514648^2 + 12798773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920864444869433 is a prime.

It is not a weakly prime, because it can be changed into another prime (920864444869133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460432222434716 + 460432222434717.

It is an arithmetic number, because the mean of its divisors is an integer number (460432222434717).

Almost surely, 2^{920864444869433} is an apocalyptic number.

It is an amenable number.

920864444869433 is a deficient number, since it is larger than the sum of its proper divisors (1).

920864444869433 is an equidigital number, since it uses as much as digits as its factorization.

920864444869433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3439853568, while the sum is 74.

The spelling of 920864444869433 in words is "nine hundred twenty trillion, eight hundred sixty-four billion, four hundred forty-four million, eight hundred sixty-nine thousand, four hundred thirty-three".