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4968431957 is a prime number
BaseRepresentation
bin1001010000010010…
…00100000101010101
3110211020222111100102
410220021010011111
540133404310312
62141002423445
7234056655236
oct45011040525
913736874312
104968431957
11211a606515
12b67b01b85
13612457c88
14351c0508d
151e12bcec2
hex128244155

4968431957 has 2 divisors, whose sum is σ = 4968431958. Its totient is φ = 4968431956.

The previous prime is 4968431939. The next prime is 4968431987. The reversal of 4968431957 is 7591348694.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3113751601 + 1854680356 = 55801^2 + 43066^2 .

It is a cyclic number.

It is not a de Polignac number, because 4968431957 - 220 = 4967383381 is a prime.

It is a super-2 number, since 2×49684319572 = 49370632222677699698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4968431927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2484215978 + 2484215979.

It is an arithmetic number, because the mean of its divisors is an integer number (2484215979).

Almost surely, 24968431957 is an apocalyptic number.

It is an amenable number.

4968431957 is a deficient number, since it is larger than the sum of its proper divisors (1).

4968431957 is an equidigital number, since it uses as much as digits as its factorization.

4968431957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The square root of 4968431957 is about 70487.1048986976. The cubic root of 4968431957 is about 1706.3696401109.

The spelling of 4968431957 in words is "four billion, nine hundred sixty-eight million, four hundred thirty-one thousand, nine hundred fifty-seven".