2119245685 has 8 divisors (see below), whose sum is σ = 2547960480. Its totient is φ = 1692152784.

The previous prime is 2119245683. The next prime is 2119245749. The reversal of 2119245685 is 5865429112.

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 2119245685 - 2¹ = 2119245683 is a prime.

It is a super-2 number, since 2×2119245685² = 8982404546782238450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119245683) 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 7 ways as a sum of consecutive naturals, for example, 402595 + ... + 407824.

It is an arithmetic number, because the mean of its divisors is an integer number (318495060).

Almost surely, 2^2119245685 is an apocalyptic number.

It is an amenable number.

2119245685 is a deficient number, since it is larger than the sum of its proper divisors (428714795).

2119245685 is an equidigital number, since it uses as much as digits as its factorization.

2119245685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810947.

The product of its digits is 172800, while the sum is 43.

The square root of 2119245685 is about 46035.2656666604. The cubic root of 2119245685 is about 1284.4792784861.

The spelling of 2119245685 in words is "two billion, one hundred nineteen million, two hundred forty-five thousand, six hundred eighty-five".