2141780835 has 32 divisors (see below), whose sum is σ = 3504384000. Its totient is φ = 1116503168.

The previous prime is 2141780807. The next prime is 2141780873. The reversal of 2141780835 is 5380871412.

It is a cyclic number.

It is not a de Polignac number, because 2141780835 - 2⁸ = 2141780579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2141780793 and 2141780802.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712666 + ... + 715664.

It is an arithmetic number, because the mean of its divisors is an integer number (109512000).

Almost surely, 2^2141780835 is an apocalyptic number.

2141780835 is a deficient number, since it is larger than the sum of its proper divisors (1362603165).

2141780835 is a wasteful number, since it uses less digits than its factorization.

2141780835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4067.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 2141780835 is about 46279.3780749050. The cubic root of 2141780835 is about 1289.0161027150.

The spelling of 2141780835 in words is "two billion, one hundred forty-one million, seven hundred eighty thousand, eight hundred thirty-five".