2143966704 has 160 divisors (see below), whose sum is σ = 6165248256. Its totient is φ = 636610560.

The previous prime is 2143966691. The next prime is 2143966709. The reversal of 2143966704 is 4076693412.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143966709) 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 31 ways as a sum of consecutive naturals, for example, 7739814 + ... + 7740090.

Almost surely, 2^2143966704 is an apocalyptic number.

2143966704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143966704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3082624128).

2143966704 is an abundant number, since it is smaller than the sum of its proper divisors (4021281552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143966704 is a wasteful number, since it uses less digits than its factorization.

2143966704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 537 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2143966704 is about 46302.9880677263. The cubic root of 2143966704 is about 1289.4544703725.

The spelling of 2143966704 in words is "two billion, one hundred forty-three million, nine hundred sixty-six thousand, seven hundred four".