1859006149 has 64 divisors (see below), whose sum is σ = 2574028800. Its totient is φ = 1323000000.

The previous prime is 1859006147. The next prime is 1859006153. The reversal of 1859006149 is 9416009581.

It is not a de Polignac number, because 1859006149 - 2¹ = 1859006147 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1859006141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7406274 + ... + 7406524.

It is an arithmetic number, because the mean of its divisors is an integer number (40219200).

Almost surely, 2^1859006149 is an apocalyptic number.

It is an amenable number.

1859006149 is a deficient number, since it is larger than the sum of its proper divisors (715022651).

1859006149 is a wasteful number, since it uses less digits than its factorization.

1859006149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 43.

The square root of 1859006149 is about 43116.1935819942. The cubic root of 1859006149 is about 1229.5898667849.

The spelling of 1859006149 in words is "one billion, eight hundred fifty-nine million, six thousand, one hundred forty-nine".