470282639 has 2 divisors, whose sum is σ = 470282640. Its totient is φ = 470282638.

The previous prime is 470282557. The next prime is 470282641. The reversal of 470282639 is 936282074.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470282639 is a prime.

It is a Sophie Germain prime.

Together with 470282641, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 470282596 and 470282605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (470282539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 235141319 + 235141320.

It is an arithmetic number, because the mean of its divisors is an integer number (235141320).

Almost surely, 2^470282639 is an apocalyptic number.

470282639 is a deficient number, since it is larger than the sum of its proper divisors (1).

470282639 is an equidigital number, since it uses as much as digits as its factorization.

470282639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 470282639 is about 21686.0009914230. Note that the first 3 decimals coincide. The cubic root of 470282639 is about 777.6538304611.

The spelling of 470282639 in words is "four hundred seventy million, two hundred eighty-two thousand, six hundred thirty-nine".