2083691901 has 8 divisors (see below), whose sum is σ = 2778582400. Its totient is φ = 1388964672.

The previous prime is 2083691891. The next prime is 2083691933. The reversal of 2083691901 is 1091963802.

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

It is not a de Polignac number, because 2083691901 - 2⁶ = 2083691837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2083691901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2083691101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7045 + ... + 64938.

It is an arithmetic number, because the mean of its divisors is an integer number (347322800).

Almost surely, 2^2083691901 is an apocalyptic number.

It is an amenable number.

2083691901 is a deficient number, since it is larger than the sum of its proper divisors (694890499).

2083691901 is an equidigital number, since it uses as much as digits as its factorization.

2083691901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81635.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 2083691901 is about 45647.4742017562. The cubic root of 2083691901 is about 1277.2556561286.

The spelling of 2083691901 in words is "two billion, eighty-three million, six hundred ninety-one thousand, nine hundred one".