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442520234953 is a prime number
BaseRepresentation
bin1100111000010000100…
…00101110101111001001
31120022012222220002220121
412130020100232233021
524222240140004303
6535142504223241
743654030635406
oct6341020565711
91508188802817
10442520234953
11160743155245
127191b16ab21
1332963886394
14175bd36b2ad
15b79e7a69bd
hex670842ebc9

442520234953 has 2 divisors, whose sum is σ = 442520234954. Its totient is φ = 442520234952.

The previous prime is 442520234951. The next prime is 442520235019. The reversal of 442520234953 is 359432025244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 271329517449 + 171190717504 = 520893^2 + 413752^2 .

It is a cyclic number.

It is not a de Polignac number, because 442520234953 - 21 = 442520234951 is a prime.

Together with 442520234951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (442520234951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221260117476 + 221260117477.

It is an arithmetic number, because the mean of its divisors is an integer number (221260117477).

Almost surely, 2442520234953 is an apocalyptic number.

It is an amenable number.

442520234953 is a deficient number, since it is larger than the sum of its proper divisors (1).

442520234953 is an equidigital number, since it uses as much as digits as its factorization.

442520234953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 442520234953 in words is "four hundred forty-two billion, five hundred twenty million, two hundred thirty-four thousand, nine hundred fifty-three".