4640770447 has 2 divisors, whose sum is σ = 4640770448. Its totient is φ = 4640770446.

The previous prime is 4640770441. The next prime is 4640770481. The reversal of 4640770447 is 7440770464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4640770447 - 2³ = 4640770439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4640770441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2320385223 + 2320385224.

It is an arithmetic number, because the mean of its divisors is an integer number (2320385224).

Almost surely, 2^4640770447 is an apocalyptic number.

4640770447 is a deficient number, since it is larger than the sum of its proper divisors (1).

4640770447 is an equidigital number, since it uses as much as digits as its factorization.

4640770447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 526848, while the sum is 43.

The square root of 4640770447 is about 68123.2005046739. The cubic root of 4640770447 is about 1668.0024938046.

The spelling of 4640770447 in words is "four billion, six hundred forty million, seven hundred seventy thousand, four hundred forty-seven".