4640665403 has 16 divisors (see below), whose sum is σ = 5292470016. Its totient is φ = 4027863840.

The previous prime is 4640665397. The next prime is 4640665409. The reversal of 4640665403 is 3045660464.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4640665397) and next prime (4640665409).

It is not a de Polignac number, because 4640665403 - 2⁶ = 4640665339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4640665409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121625 + ... + 155157.

It is an arithmetic number, because the mean of its divisors is an integer number (330779376).

Almost surely, 2^4640665403 is an apocalyptic number.

4640665403 is a deficient number, since it is larger than the sum of its proper divisors (651804613).

4640665403 is a wasteful number, since it uses less digits than its factorization.

4640665403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34114.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 4640665403 is about 68122.4295148081. The cubic root of 4640665403 is about 1667.9899086115.

The spelling of 4640665403 in words is "four billion, six hundred forty million, six hundred sixty-five thousand, four hundred three".