2091284693 has 8 divisors (see below), whose sum is σ = 2137224960. Its totient is φ = 2045404720.

The previous prime is 2091284681. The next prime is 2091284711. The reversal of 2091284693 is 3964821902.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2091284693 - 2¹⁰ = 2091283669 is a prime.

It is a super-2 number, since 2×2091284693² = 8746943334352208498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091284633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59003 + ... + 87543.

It is an arithmetic number, because the mean of its divisors is an integer number (267153120).

Almost surely, 2^2091284693 is an apocalyptic number.

It is an amenable number.

2091284693 is a deficient number, since it is larger than the sum of its proper divisors (45940267).

2091284693 is a wasteful number, since it uses less digits than its factorization.

2091284693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30147.

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 2091284693 is about 45730.5662877686. The cubic root of 2091284693 is about 1278.8051783705.

The spelling of 2091284693 in words is "two billion, ninety-one million, two hundred eighty-four thousand, six hundred ninety-three".