4172943664 has 10 divisors (see below), whose sum is σ = 8085078380. Its totient is φ = 2086471824.

The previous prime is 4172943653. The next prime is 4172943667. The reversal of 4172943664 is 4663492714.

It is not an unprimeable number, because it can be changed into a prime (4172943667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130404474 + ... + 130404505.

It is an arithmetic number, because the mean of its divisors is an integer number (808507838).

Almost surely, 2^4172943664 is an apocalyptic number.

It is an amenable number.

4172943664 is a deficient number, since it is larger than the sum of its proper divisors (3912134716).

4172943664 is a wasteful number, since it uses less digits than its factorization.

4172943664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260808987 (or 260808981 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 4172943664 is about 64598.3255510543. The cubic root of 4172943664 is about 1609.9566188175.

The spelling of 4172943664 in words is "four billion, one hundred seventy-two million, nine hundred forty-three thousand, six hundred sixty-four".