2069803491 has 16 divisors (see below), whose sum is σ = 3189427200. Its totient is φ = 1169454528.

The previous prime is 2069803471. The next prime is 2069803501. The reversal of 2069803491 is 1943089602.

It is not a de Polignac number, because 2069803491 - 2²⁷ = 1935585763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2069803471) 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, 551851 + ... + 555588.

It is an arithmetic number, because the mean of its divisors is an integer number (199339200).

Almost surely, 2^2069803491 is an apocalyptic number.

2069803491 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2069803491 is a deficient number, since it is larger than the sum of its proper divisors (1119623709).

2069803491 is a wasteful number, since it uses less digits than its factorization.

2069803491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107538.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2069803491 is about 45495.0930430964. The cubic root of 2069803491 is about 1274.4115682256.

The spelling of 2069803491 in words is "two billion, sixty-nine million, eight hundred three thousand, four hundred ninety-one".