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538987803919 is a prime number
BaseRepresentation
bin1111101011111100010…
…11010011010100001111
31220112012222122100202021
413311332023103110033
532312321334211134
61051335123111011
753640422512225
oct7657613232417
91815188570667
10538987803919
11198646622654
1288561b12467
133ba985b2b36
141c1311cab15
15e04882a0b4
hex7d7e2d350f

538987803919 has 2 divisors, whose sum is σ = 538987803920. Its totient is φ = 538987803918.

The previous prime is 538987803911. The next prime is 538987803941. The reversal of 538987803919 is 919308789835.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 538987803919 - 23 = 538987803911 is a prime.

It is a super-2 number, since 2×5389878039192 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (538987803911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269493901959 + 269493901960.

It is an arithmetic number, because the mean of its divisors is an integer number (269493901960).

Almost surely, 2538987803919 is an apocalyptic number.

538987803919 is a deficient number, since it is larger than the sum of its proper divisors (1).

538987803919 is an equidigital number, since it uses as much as digits as its factorization.

538987803919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 117573120, while the sum is 70.

The spelling of 538987803919 in words is "five hundred thirty-eight billion, nine hundred eighty-seven million, eight hundred three thousand, nine hundred nineteen".