2011271699 has 4 divisors (see below), whose sum is σ = 2012898864. Its totient is φ = 2009644536.

The previous prime is 2011271693. The next prime is 2011271701. The reversal of 2011271699 is 9961721102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011271699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011271693) 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, 811727 + ... + 814200.

It is an arithmetic number, because the mean of its divisors is an integer number (503224716).

Almost surely, 2^2011271699 is an apocalyptic number.

2011271699 is a deficient number, since it is larger than the sum of its proper divisors (1627165).

2011271699 is a wasteful number, since it uses less digits than its factorization.

2011271699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627164.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 2011271699 is about 44847.2039150715. The cubic root of 2011271699 is about 1262.2835257247.

The spelling of 2011271699 in words is "two billion, eleven million, two hundred seventy-one thousand, six hundred ninety-nine".