2071889245 has 4 divisors (see below), whose sum is σ = 2486267100. Its totient is φ = 1657511392.

The previous prime is 2071889231. The next prime is 2071889353. The reversal of 2071889245 is 5429881702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1273205124 + 798684121 = 35682^2 + 28261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071889245 - 2⁵ = 2071889213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2071889195 and 2071889204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207188920 + ... + 207188929.

It is an arithmetic number, because the mean of its divisors is an integer number (621566775).

Almost surely, 2^2071889245 is an apocalyptic number.

It is an amenable number.

2071889245 is a deficient number, since it is larger than the sum of its proper divisors (414377855).

2071889245 is an equidigital number, since it uses as much as digits as its factorization.

2071889245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414377854.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 2071889245 is about 45518.0101168757. The cubic root of 2071889245 is about 1274.8395020323.

The spelling of 2071889245 in words is "two billion, seventy-one million, eight hundred eighty-nine thousand, two hundred forty-five".