2669020191 has 48 divisors (see below), whose sum is σ = 4108790400. Its totient is φ = 1666598976.

The previous prime is 2669020187. The next prime is 2669020217. The reversal of 2669020191 is 1910209662.

It is not a de Polignac number, because 2669020191 - 2² = 2669020187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2669020121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1828620 + ... + 1830078.

It is an arithmetic number, because the mean of its divisors is an integer number (85599800).

Almost surely, 2^2669020191 is an apocalyptic number.

2669020191 is a deficient number, since it is larger than the sum of its proper divisors (1439770209).

2669020191 is a wasteful number, since it uses less digits than its factorization.

2669020191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1697 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 2669020191 is about 51662.5608250307. The cubic root of 2669020191 is about 1387.1303893997.

The spelling of 2669020191 in words is "two billion, six hundred sixty-nine million, twenty thousand, one hundred ninety-one".