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9972004919 is a prime number
BaseRepresentation
bin10010100100110000…
…01011100000110111
3221201222002100002112
421102120023200313
5130410313124134
64325302401235
7502054433432
oct112230134067
927658070075
109972004919
114257a33988
121b2373021b
13c2bc67c36
146a8556819
153d56cd1ce
hex25260b837

9972004919 has 2 divisors, whose sum is σ = 9972004920. Its totient is φ = 9972004918.

The previous prime is 9972004877. The next prime is 9972004927. The reversal of 9972004919 is 9194002799.

It is a strong prime.

It is an emirp because it is prime and its reverse (9194002799) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-9972004919 is a prime.

It is a super-2 number, since 2×99720049192 (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 (9972004979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986002459 + 4986002460.

It is an arithmetic number, because the mean of its divisors is an integer number (4986002460).

Almost surely, 29972004919 is an apocalyptic number.

9972004919 is a deficient number, since it is larger than the sum of its proper divisors (1).

9972004919 is an equidigital number, since it uses as much as digits as its factorization.

9972004919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 9972004919 is about 99859.9264920619. The cubic root of 9972004919 is about 2152.4223585607.

The spelling of 9972004919 in words is "nine billion, nine hundred seventy-two million, four thousand, nine hundred nineteen".