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57424632697 is a prime number
BaseRepresentation
bin110101011110110001…
…100101101101111001
312111020000120120222001
4311132301211231321
51420101201221242
642214105101001
74102015216135
oct653661455571
9174200516861
1057424632697
1122398787533
12b167487761
135552030203
142aca8243c5
1517615daeb7
hexd5ec65b79

57424632697 has 2 divisors, whose sum is σ = 57424632698. Its totient is φ = 57424632696.

The previous prime is 57424632679. The next prime is 57424632787. The reversal of 57424632697 is 79623642475.

Together with previous prime (57424632679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57149205481 + 275427216 = 239059^2 + 16596^2 .

It is a cyclic number.

It is not a de Polignac number, because 57424632697 - 211 = 57424630649 is a prime.

It is a super-2 number, since 2×574246326972 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57424632497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28712316348 + 28712316349.

It is an arithmetic number, because the mean of its divisors is an integer number (28712316349).

Almost surely, 257424632697 is an apocalyptic number.

It is an amenable number.

57424632697 is a deficient number, since it is larger than the sum of its proper divisors (1).

57424632697 is an equidigital number, since it uses as much as digits as its factorization.

57424632697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 55.

The spelling of 57424632697 in words is "fifty-seven billion, four hundred twenty-four million, six hundred thirty-two thousand, six hundred ninety-seven".