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34291491691 is a prime number
BaseRepresentation
bin11111111011111011…
…101010001101101011
310021111211111021020211
4133323323222031223
51030212110213231
623430413401551
72322526604302
oct377373521553
9107454437224
1034291491691
11135a7720286
1267901992b7
1333064c59b2
141934399439
15d5a77beb1
hex7fbeea36b

34291491691 has 2 divisors, whose sum is σ = 34291491692. Its totient is φ = 34291491690.

The previous prime is 34291491659. The next prime is 34291491697. The reversal of 34291491691 is 19619419243.

It is a strong prime.

It is an emirp because it is prime and its reverse (19619419243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34291491691 - 25 = 34291491659 is a prime.

It is not a weakly prime, because it can be changed into another prime (34291491697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17145745845 + 17145745846.

It is an arithmetic number, because the mean of its divisors is an integer number (17145745846).

Almost surely, 234291491691 is an apocalyptic number.

34291491691 is a deficient number, since it is larger than the sum of its proper divisors (1).

34291491691 is an equidigital number, since it uses as much as digits as its factorization.

34291491691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 419904, while the sum is 49.

The spelling of 34291491691 in words is "thirty-four billion, two hundred ninety-one million, four hundred ninety-one thousand, six hundred ninety-one".