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64356272039 is a prime number
BaseRepresentation
bin111011111011111011…
…101100011110100111
320011010002200100120002
4323323323230132213
52023300201201124
645322002131515
74435544200163
oct737373543647
9204102610502
1064356272039
112532548a794
1210580950b9b
1360b811c857
143187267ca3
151a19e000ae
hexefbeec7a7

64356272039 has 2 divisors, whose sum is σ = 64356272040. Its totient is φ = 64356272038.

The previous prime is 64356271957. The next prime is 64356272041. The reversal of 64356272039 is 93027265346.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64356272039 - 228 = 64087836583 is a prime.

Together with 64356272041, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64356271984 and 64356272002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64356242039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32178136019 + 32178136020.

It is an arithmetic number, because the mean of its divisors is an integer number (32178136020).

Almost surely, 264356272039 is an apocalyptic number.

64356272039 is a deficient number, since it is larger than the sum of its proper divisors (1).

64356272039 is an equidigital number, since it uses as much as digits as its factorization.

64356272039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 64356272039 in words is "sixty-four billion, three hundred fifty-six million, two hundred seventy-two thousand, thirty-nine".