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6461107319 is a prime number
BaseRepresentation
bin1100000010001110…
…01010110001110111
3121200021201021000002
412001013022301313
5101213020413234
62545043541515
7316053335402
oct60107126167
917607637002
106461107319
112816143617
12130398a89b
137bc784334
1445415cd39
1527c36c27e
hex1811cac77

6461107319 has 2 divisors, whose sum is σ = 6461107320. Its totient is φ = 6461107318.

The previous prime is 6461107297. The next prime is 6461107321. The reversal of 6461107319 is 9137011646.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6461107319 - 28 = 6461107063 is a prime.

It is a super-2 number, since 2×64611073192 = 83491815575270735522, which contains 22 as substring.

Together with 6461107321, 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 (6461107349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230553659 + 3230553660.

It is an arithmetic number, because the mean of its divisors is an integer number (3230553660).

Almost surely, 26461107319 is an apocalyptic number.

6461107319 is a deficient number, since it is larger than the sum of its proper divisors (1).

6461107319 is an equidigital number, since it uses as much as digits as its factorization.

6461107319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 6461107319 is about 80381.0134235691. The cubic root of 6461107319 is about 1862.5258894889.

The spelling of 6461107319 in words is "six billion, four hundred sixty-one million, one hundred seven thousand, three hundred nineteen".