2051593538 has 8 divisors (see below), whose sum is σ = 3160563132. Its totient is φ = 998072496.

The previous prime is 2051593529. The next prime is 2051593549. The reversal of 2051593538 is 8353951502.

It can be written as a sum of positive squares in 2 ways, for example, as 2008204969 + 43388569 = 44813^2 + 6587^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2051593495 and 2051593504.

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, 13862045 + ... + 13862192.

Almost surely, 2^2051593538 is an apocalyptic number.

2051593538 is a deficient number, since it is larger than the sum of its proper divisors (1108969594).

2051593538 is a wasteful number, since it uses less digits than its factorization.

2051593538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27724276.

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 2051593538 is about 45294.5199555090. The cubic root of 2051593538 is about 1270.6631661626.

The spelling of 2051593538 in words is "two billion, fifty-one million, five hundred ninety-three thousand, five hundred thirty-eight".