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4379400881 is a prime number
BaseRepresentation
bin1000001010000100…
…00101101010110001
3102022012121121121122
410011002011222301
532432111312011
62002321432025
7213345202412
oct40502055261
912265547548
104379400881
11194806a779
12a2279b615
1354a3ccc8b
142d78b5809
151a971a3db
hex105085ab1

4379400881 has 2 divisors, whose sum is σ = 4379400882. Its totient is φ = 4379400880.

The previous prime is 4379400869. The next prime is 4379400943. The reversal of 4379400881 is 1880049734.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3326982400 + 1052418481 = 57680^2 + 32441^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4379400881 is a prime.

It is a super-2 number, since 2×43794008812 = 38358304153007152322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4379408881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189700440 + 2189700441.

It is an arithmetic number, because the mean of its divisors is an integer number (2189700441).

Almost surely, 24379400881 is an apocalyptic number.

It is an amenable number.

4379400881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4379400881 is an equidigital number, since it uses as much as digits as its factorization.

4379400881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 4379400881 is about 66177.0419480956. The cubic root of 4379400881 is about 1636.0813741175.

The spelling of 4379400881 in words is "four billion, three hundred seventy-nine million, four hundred thousand, eight hundred eighty-one".