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9993419669 is a prime number
BaseRepresentation
bin10010100111010011…
…10111101110010101
3221210110101022121102
421103221313232111
5130431303412134
64331345355445
7502434444212
oct112351675625
927713338542
109993419669
114269030122
121b2a938b85
13c3352529c
146ab32cb09
153d750d37e
hex253a77b95

9993419669 has 2 divisors, whose sum is σ = 9993419670. Its totient is φ = 9993419668.

The previous prime is 9993419647. The next prime is 9993419677. The reversal of 9993419669 is 9669143999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7105647025 + 2887772644 = 84295^2 + 53738^2 .

It is a cyclic number.

It is not a de Polignac number, because 9993419669 - 224 = 9976642453 is a prime.

It is a super-2 number, since 2×99934196692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9993419609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4996709834 + 4996709835.

It is an arithmetic number, because the mean of its divisors is an integer number (4996709835).

Almost surely, 29993419669 is an apocalyptic number.

It is an amenable number.

9993419669 is a deficient number, since it is larger than the sum of its proper divisors (1).

9993419669 is an equidigital number, since it uses as much as digits as its factorization.

9993419669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25509168, while the sum is 65.

The square root of 9993419669 is about 99967.0929306239. The cubic root of 9993419669 is about 2153.9620232273.

The spelling of 9993419669 in words is "nine billion, nine hundred ninety-three million, four hundred nineteen thousand, six hundred sixty-nine".