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5439026881 is a prime number
BaseRepresentation
bin1010001000011000…
…01111011011000001
3112001001111012020001
411010030033123001
542114342330011
62255413120001
7251532652141
oct50414173301
915031435201
105439026881
112341209442
121079629001
13688ab5b02
14398504921
1521c7787c1
hex14430f6c1

5439026881 has 2 divisors, whose sum is σ = 5439026882. Its totient is φ = 5439026880.

The previous prime is 5439026843. The next prime is 5439026893. The reversal of 5439026881 is 1886209345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5000752656 + 438274225 = 70716^2 + 20935^2 .

It is a cyclic number.

It is not a de Polignac number, because 5439026881 - 217 = 5438895809 is a prime.

It is a super-2 number, since 2×54390268812 = 59166026824481176322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5439026081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719513440 + 2719513441.

It is an arithmetic number, because the mean of its divisors is an integer number (2719513441).

Almost surely, 25439026881 is an apocalyptic number.

It is an amenable number.

5439026881 is a deficient number, since it is larger than the sum of its proper divisors (1).

5439026881 is an equidigital number, since it uses as much as digits as its factorization.

5439026881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 414720, while the sum is 46.

The square root of 5439026881 is about 73749.7585148589. The cubic root of 5439026881 is about 1758.6269940191.

The spelling of 5439026881 in words is "five billion, four hundred thirty-nine million, twenty-six thousand, eight hundred eighty-one".