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869832822431 is a prime number
BaseRepresentation
bin11001010100001100001…
…00111000111010011111
310002011012010220200100102
430222012010320322133
5103222404200304211
61503332400051315
7116562160666346
oct14520604707237
93064163820312
10869832822431
11305991a51891
121206b5303b3b
136404288c591
1430158aa0b5d
151795ddcda3b
hexca86138e9f

869832822431 has 2 divisors, whose sum is σ = 869832822432. Its totient is φ = 869832822430.

The previous prime is 869832822403. The next prime is 869832822457. The reversal of 869832822431 is 134228238968.

It is a happy number.

869832822431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 869832822431 - 26 = 869832822367 is a prime.

It is a super-2 number, since 2×8698328224312 (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 (869832822631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 434916411215 + 434916411216.

It is an arithmetic number, because the mean of its divisors is an integer number (434916411216).

Almost surely, 2869832822431 is an apocalyptic number.

869832822431 is a deficient number, since it is larger than the sum of its proper divisors (1).

869832822431 is an equidigital number, since it uses as much as digits as its factorization.

869832822431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7962624, while the sum is 56.

The spelling of 869832822431 in words is "eight hundred sixty-nine billion, eight hundred thirty-two million, eight hundred twenty-two thousand, four hundred thirty-one".