2143680835 has 8 divisors (see below), whose sum is σ = 2572696656. Its totient is φ = 1714758240.

The previous prime is 2143680827. The next prime is 2143680839. The reversal of 2143680835 is 5380863412.

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

It is not a de Polignac number, because 2143680835 - 2³ = 2143680827 is a prime.

It is a super-3 number, since 3×2143680835³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143680839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46057 + ... + 80053.

It is an arithmetic number, because the mean of its divisors is an integer number (321587082).

Almost surely, 2^2143680835 is an apocalyptic number.

2143680835 is a deficient number, since it is larger than the sum of its proper divisors (429015821).

2143680835 is a wasteful number, since it uses less digits than its factorization.

2143680835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46613.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2143680835 is about 46299.9010258121. The cubic root of 2143680835 is about 1289.3971573797.

The spelling of 2143680835 in words is "two billion, one hundred forty-three million, six hundred eighty thousand, eight hundred thirty-five".