479001643 has 2 divisors, whose sum is σ = 479001644. Its totient is φ = 479001642.

The previous prime is 479001629. The next prime is 479001659. The reversal of 479001643 is 346100974.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 479001643 - 2¹³ = 478993451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 479001599 and 479001608.

It is not a weakly prime, because it can be changed into another prime (479001683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239500821 + 239500822.

It is an arithmetic number, because the mean of its divisors is an integer number (239500822).

Almost surely, 2^479001643 is an apocalyptic number.

479001643 is a deficient number, since it is larger than the sum of its proper divisors (1).

479001643 is an equidigital number, since it uses as much as digits as its factorization.

479001643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 479001643 is about 21886.1061635002. The cubic root of 479001643 is about 782.4303131809.

The spelling of 479001643 in words is "four hundred seventy-nine million, one thousand, six hundred forty-three".