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43396361149 is a prime number
BaseRepresentation
bin101000011010100111…
…111110101110111101
311011000100220120010011
4220122213332232331
51202333432024044
631534102343221
73064254661231
oct503247765675
9134010816104
1043396361149
111744a129489
1284b142ab11
13412790300b
1421596ac5c1
1511dec71134
hexa1a9febbd

43396361149 has 2 divisors, whose sum is σ = 43396361150. Its totient is φ = 43396361148.

The previous prime is 43396361117. The next prime is 43396361167. The reversal of 43396361149 is 94116369334.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40464138649 + 2932222500 = 201157^2 + 54150^2 .

It is a cyclic number.

It is not a de Polignac number, because 43396361149 - 25 = 43396361117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43396361549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21698180574 + 21698180575.

It is an arithmetic number, because the mean of its divisors is an integer number (21698180575).

Almost surely, 243396361149 is an apocalyptic number.

It is an amenable number.

43396361149 is a deficient number, since it is larger than the sum of its proper divisors (1).

43396361149 is an equidigital number, since it uses as much as digits as its factorization.

43396361149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1259712, while the sum is 49.

The spelling of 43396361149 in words is "forty-three billion, three hundred ninety-six million, three hundred sixty-one thousand, one hundred forty-nine".