2061594687 has 8 divisors (see below), whose sum is σ = 2750176000. Its totient is φ = 1373704920.

The previous prime is 2061594631. The next prime is 2061594707. The reversal of 2061594687 is 7864951602.

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

It is not a de Polignac number, because 2061594687 - 2¹¹ = 2061592639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2061594617) 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, 165889 + ... + 177882.

It is an arithmetic number, because the mean of its divisors is an integer number (343772000).

Almost surely, 2^2061594687 is an apocalyptic number.

2061594687 is a deficient number, since it is larger than the sum of its proper divisors (688581313).

2061594687 is a wasteful number, since it uses less digits than its factorization.

2061594687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345773.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 2061594687 is about 45404.7870493850. The cubic root of 2061594687 is about 1272.7245714842.

The spelling of 2061594687 in words is "two billion, sixty-one million, five hundred ninety-four thousand, six hundred eighty-seven".