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10019019061 is a prime number
BaseRepresentation
bin10010101010010111…
…00001100100110101
3221212020112220101001
421111023201210311
5131004332102221
64334102203301
7503165154052
oct112513414465
927766486331
1010019019061
114281525347
121b37423531
13c3891925c
146b08b4029
153d98b8391
hex2552e1935

10019019061 has 2 divisors, whose sum is σ = 10019019062. Its totient is φ = 10019019060.

The previous prime is 10019019019. The next prime is 10019019083. The reversal of 10019019061 is 16091091001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8001302500 + 2017716561 = 89450^2 + 44919^2 .

It is an emirp because it is prime and its reverse (16091091001) is a distict prime. It is also a bemirp because it and its reverse can be mirrored producing other two distinct primes, 19061061001 and 10016016091.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10019019061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10019019001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5009509530 + 5009509531.

It is an arithmetic number, because the mean of its divisors is an integer number (5009509531).

Almost surely, 210019019061 is an apocalyptic number.

It is an amenable number.

10019019061 is a deficient number, since it is larger than the sum of its proper divisors (1).

10019019061 is an equidigital number, since it uses as much as digits as its factorization.

10019019061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 28.

The spelling of 10019019061 in words is "ten billion, nineteen million, nineteen thousand, sixty-one".