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8572936469 is a prime number
BaseRepresentation
bin1111111101111110…
…01010000100010101
3211010110111021222112
413332333022010111
5120024132431334
63534403440405
7422305520606
oct77677120425
924113437875
108572936469
1136aa221069
1217b3086105
13a68154496
145b4807dad
1535296e4ce
hex1fefca115

8572936469 has 2 divisors, whose sum is σ = 8572936470. Its totient is φ = 8572936468.

The previous prime is 8572936429. The next prime is 8572936609. The reversal of 8572936469 is 9646392758.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8561800900 + 11135569 = 92530^2 + 3337^2 .

It is a cyclic number.

It is not a de Polignac number, because 8572936469 - 28 = 8572936213 is a prime.

It is a super-2 number, since 2×85729364692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8572936429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4286468234 + 4286468235.

It is an arithmetic number, because the mean of its divisors is an integer number (4286468235).

Almost surely, 28572936469 is an apocalyptic number.

It is an amenable number.

8572936469 is a deficient number, since it is larger than the sum of its proper divisors (1).

8572936469 is an equidigital number, since it uses as much as digits as its factorization.

8572936469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The square root of 8572936469 is about 92590.1531967628. The cubic root of 8572936469 is about 2046.6482185092.

The spelling of 8572936469 in words is "eight billion, five hundred seventy-two million, nine hundred thirty-six thousand, four hundred sixty-nine".