4664445431 has 4 divisors (see below), whose sum is σ = 4938824592. Its totient is φ = 4390066272.

The previous prime is 4664445421. The next prime is 4664445433. The reversal of 4664445431 is 1345444664.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4664445431 - 2¹⁴ = 4664429047 is a prime.

It is a super-2 number, since 2×4664445431² = 43514102357553551522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4664445433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137189555 + ... + 137189588.

It is an arithmetic number, because the mean of its divisors is an integer number (1234706148).

Almost surely, 2^4664445431 is an apocalyptic number.

4664445431 is a deficient number, since it is larger than the sum of its proper divisors (274379161).

4664445431 is a wasteful number, since it uses less digits than its factorization.

4664445431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274379160.

The product of its digits is 552960, while the sum is 41.

The square root of 4664445431 is about 68296.7453909775. The cubic root of 4664445431 is about 1670.8341334778.

The spelling of 4664445431 in words is "four billion, six hundred sixty-four million, four hundred forty-five thousand, four hundred thirty-one".