920317400269 has 2 divisors, whose sum is σ = 920317400270. Its totient is φ = 920317400268.

The previous prime is 920317400239. The next prime is 920317400297. The reversal of 920317400269 is 962004713029.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 917399996100 + 2917404169 = 957810^2 + 54013^2 .

It is an emirp because it is prime and its reverse (962004713029) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920317400269 is a prime.

It is a super-2 number, since 2×920317400269² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920317400239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460158700134 + 460158700135.

It is an arithmetic number, because the mean of its divisors is an integer number (460158700135).

Almost surely, 2^920317400269 is an apocalyptic number.

It is an amenable number.

920317400269 is a deficient number, since it is larger than the sum of its proper divisors (1).

920317400269 is an equidigital number, since it uses as much as digits as its factorization.

920317400269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 920317400269 in words is "nine hundred twenty billion, three hundred seventeen million, four hundred thousand, two hundred sixty-nine".