2050733857 has 4 divisors (see below), whose sum is σ = 2052280576. Its totient is φ = 2049187140.

The previous prime is 2050733837. The next prime is 2050733879. The reversal of 2050733857 is 7583370502.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7583370502 = 2 ⋅3791685251.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2050733857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2050733837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771369 + ... + 774022.

It is an arithmetic number, because the mean of its divisors is an integer number (513070144).

Almost surely, 2^2050733857 is an apocalyptic number.

It is an amenable number.

2050733857 is a deficient number, since it is larger than the sum of its proper divisors (1546719).

2050733857 is a wasteful number, since it uses less digits than its factorization.

2050733857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1546718.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 2050733857 is about 45285.0290603860. The cubic root of 2050733857 is about 1270.4856590078.

The spelling of 2050733857 in words is "two billion, fifty million, seven hundred thirty-three thousand, eight hundred fifty-seven".