2000749857 has 16 divisors (see below), whose sum is σ = 2749524288. Its totient is φ = 1293304320.

The previous prime is 2000749843. The next prime is 2000749859. The reversal of 2000749857 is 7589470002.

It is not a de Polignac number, because 2000749857 - 2²² = 1996555553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2000749859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29848 + ... + 69945.

It is an arithmetic number, because the mean of its divisors is an integer number (171845268).

Almost surely, 2^2000749857 is an apocalyptic number.

It is an amenable number.

2000749857 is a deficient number, since it is larger than the sum of its proper divisors (748774431).

2000749857 is a wasteful number, since it uses less digits than its factorization.

2000749857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100000.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 2000749857 is about 44729.7424204522. The cubic root of 2000749857 is about 1260.0784903233.

The spelling of 2000749857 in words is "two billion, seven hundred forty-nine thousand, eight hundred fifty-seven".