2091914671 has 12 divisors (see below), whose sum is σ = 2627860816. Its totient is φ = 1630062720.

The previous prime is 2091914599. The next prime is 2091914701. The reversal of 2091914671 is 1764191902.

It is not a de Polignac number, because 2091914671 - 2⁷ = 2091914543 is a prime.

It is a super-2 number, since 2×2091914671² = 8752213981490076482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091914171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1234050 + ... + 1235743.

Almost surely, 2^2091914671 is an apocalyptic number.

2091914671 is a deficient number, since it is larger than the sum of its proper divisors (535946145).

2091914671 is a wasteful number, since it uses less digits than its factorization.

2091914671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2469822 (or 2469811 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 40.

The square root of 2091914671 is about 45737.4537004412. The cubic root of 2091914671 is about 1278.9335744468.

The spelling of 2091914671 in words is "two billion, ninety-one million, nine hundred fourteen thousand, six hundred seventy-one".