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1291419007 is a prime number
BaseRepresentation
bin100110011111001…
…0111110101111111
310100000000212211121
41030332113311333
510121100402012
6332051331411
744000610664
oct11476276577
93300025747
101291419007
11602a7723a
123005b0b67
13177722278
14c3729a6b
1578597a07
hex4cf97d7f

1291419007 has 2 divisors, whose sum is σ = 1291419008. Its totient is φ = 1291419006.

The previous prime is 1291418977. The next prime is 1291419011. The reversal of 1291419007 is 7009141921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1291419007 - 27 = 1291418879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1291419067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 645709503 + 645709504.

It is an arithmetic number, because the mean of its divisors is an integer number (645709504).

Almost surely, 21291419007 is an apocalyptic number.

1291419007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1291419007 is an equidigital number, since it uses as much as digits as its factorization.

1291419007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1291419007 is about 35936.3187736307. The cubic root of 1291419007 is about 1088.9862378076.

The spelling of 1291419007 in words is "one billion, two hundred ninety-one million, four hundred nineteen thousand, seven".