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404432311212889 is a prime number
BaseRepresentation
bin101101111110101000011110…
…0001111101101101101011001
31222000222100111010202212111021
41123331100330033231231121
5411002204333132303024
63552053345554402441
7151121161456420351
oct13375207417555531
91860870433685437
10404432311212889
11107956864173093
1239439836890421
1314488a59b196ab
1471c28b2101b61
1531b532c494de4
hex16fd43c3edb59

404432311212889 has 2 divisors, whose sum is σ = 404432311212890. Its totient is φ = 404432311212888.

The previous prime is 404432311212871. The next prime is 404432311213003. The reversal of 404432311212889 is 988212113234404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 389553432203664 + 14878879009225 = 19737108^2 + 3857315^2 .

It is a cyclic number.

It is not a de Polignac number, because 404432311212889 - 211 = 404432311210841 is a prime.

It is not a weakly prime, because it can be changed into another prime (404432311212859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202216155606444 + 202216155606445.

It is an arithmetic number, because the mean of its divisors is an integer number (202216155606445).

Almost surely, 2404432311212889 is an apocalyptic number.

It is an amenable number.

404432311212889 is a deficient number, since it is larger than the sum of its proper divisors (1).

404432311212889 is an equidigital number, since it uses as much as digits as its factorization.

404432311212889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2654208, while the sum is 52.

The spelling of 404432311212889 in words is "four hundred four trillion, four hundred thirty-two billion, three hundred eleven million, two hundred twelve thousand, eight hundred eighty-nine".