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18464970959 is a prime number
BaseRepresentation
bin10001001100100110…
…010001100011001111
31202122212002201021022
4101030212101203033
5300304013032314
612252132224355
71222402443401
oct211446214317
952585081238
1018464970959
117915aa3a86
1236b3a6b0bb
13198366c626
14c724a4b71
1573110278e
hex44c9918cf

18464970959 has 2 divisors, whose sum is σ = 18464970960. Its totient is φ = 18464970958.

The previous prime is 18464970893. The next prime is 18464970961. The reversal of 18464970959 is 95907946481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18464970959 - 228 = 18196535503 is a prime.

Together with 18464970961, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18464900959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9232485479 + 9232485480.

It is an arithmetic number, because the mean of its divisors is an integer number (9232485480).

Almost surely, 218464970959 is an apocalyptic number.

18464970959 is a deficient number, since it is larger than the sum of its proper divisors (1).

18464970959 is an equidigital number, since it uses as much as digits as its factorization.

18464970959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19595520, while the sum is 62.

The spelling of 18464970959 in words is "eighteen billion, four hundred sixty-four million, nine hundred seventy thousand, nine hundred fifty-nine".