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7135985483989 is a prime number
BaseRepresentation
bin110011111010111100111…
…1000010100000011010101
3221021012020002122022110021
41213311321320110003111
51413403444240441424
623102120530225141
71334362241544205
oct147657170240325
927235202568407
107135985483989
11230139985315a
129730031251b1
133c9bc758595b
141a9552612405
15c5953c7e4e4
hex67d79e140d5

7135985483989 has 2 divisors, whose sum is σ = 7135985483990. Its totient is φ = 7135985483988.

The previous prime is 7135985483969. The next prime is 7135985484071. The reversal of 7135985483989 is 9893845895317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4629963510225 + 2506021973764 = 2151735^2 + 1583042^2 .

It is a cyclic number.

It is not a de Polignac number, because 7135985483989 - 213 = 7135985475797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7135985483909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3567992741994 + 3567992741995.

It is an arithmetic number, because the mean of its divisors is an integer number (3567992741995).

Almost surely, 27135985483989 is an apocalyptic number.

It is an amenable number.

7135985483989 is a deficient number, since it is larger than the sum of its proper divisors (1).

7135985483989 is an equidigital number, since it uses as much as digits as its factorization.

7135985483989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2351462400, while the sum is 79.

The spelling of 7135985483989 in words is "seven trillion, one hundred thirty-five billion, nine hundred eighty-five million, four hundred eighty-three thousand, nine hundred eighty-nine".