4051664431 has 8 divisors (see below), whose sum is σ = 4078453680. Its totient is φ = 4024899072.

The previous prime is 4051664423. The next prime is 4051664437. The reversal of 4051664431 is 1344661504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4051664431 - 2³ = 4051664423 is a prime.

It is a super-2 number, since 2×4051664431² = 32831969322861107522, 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 (4051664437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444225 + ... + 453253.

It is an arithmetic number, because the mean of its divisors is an integer number (509806710).

Almost surely, 2^4051664431 is an apocalyptic number.

4051664431 is a deficient number, since it is larger than the sum of its proper divisors (26789249).

4051664431 is a wasteful number, since it uses less digits than its factorization.

4051664431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 4051664431 is about 63652.6859684648. The cubic root of 4051664431 is about 1594.2061845915.

The spelling of 4051664431 in words is "four billion, fifty-one million, six hundred sixty-four thousand, four hundred thirty-one".