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9257995493 is a prime number
BaseRepresentation
bin10001001111101000…
…11100110011100101
3212220012112220021222
420213310130303211
5122430021323433
64130354550125
7445264443335
oct104764346345
925805486258
109257995493
113a2099604a
121964598345
13b47062056
1463b7b30c5
15392b8eb98
hex227d1cce5

9257995493 has 2 divisors, whose sum is σ = 9257995494. Its totient is φ = 9257995492.

The previous prime is 9257995471. The next prime is 9257995519. The reversal of 9257995493 is 3945997529.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6495231649 + 2762763844 = 80593^2 + 52562^2 .

It is an emirp because it is prime and its reverse (3945997529) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9257995493 - 26 = 9257995429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9257995793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4628997746 + 4628997747.

It is an arithmetic number, because the mean of its divisors is an integer number (4628997747).

Almost surely, 29257995493 is an apocalyptic number.

It is an amenable number.

9257995493 is a deficient number, since it is larger than the sum of its proper divisors (1).

9257995493 is an equidigital number, since it uses as much as digits as its factorization.

9257995493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27556200, while the sum is 62.

The square root of 9257995493 is about 96218.4779187449. The cubic root of 9257995493 is about 2099.7728774020.

The spelling of 9257995493 in words is "nine billion, two hundred fifty-seven million, nine hundred ninety-five thousand, four hundred ninety-three".