4379646457 has 2 divisors, whose sum is σ = 4379646458. Its totient is φ = 4379646456.

The previous prime is 4379646391. The next prime is 4379646473. The reversal of 4379646457 is 7546469734.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3369105936 + 1010540521 = 58044^2 + 31789^2 .

It is a cyclic number.

It is not a de Polignac number, because 4379646457 - 2¹⁹ = 4379122169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4379646398 and 4379646407.

It is not a weakly prime, because it can be changed into another prime (4379646757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2189823228 + 2189823229.

It is an arithmetic number, because the mean of its divisors is an integer number (2189823229).

Almost surely, 2^4379646457 is an apocalyptic number.

It is an amenable number.

4379646457 is a deficient number, since it is larger than the sum of its proper divisors (1).

4379646457 is an equidigital number, since it uses as much as digits as its factorization.

4379646457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 55.

The square root of 4379646457 is about 66178.8973691765. The cubic root of 4379646457 is about 1636.1119547700. Note that the first 3 decimals are identical.

The spelling of 4379646457 in words is "four billion, three hundred seventy-nine million, six hundred forty-six thousand, four hundred fifty-seven".