2091372604 has 12 divisors (see below), whose sum is σ = 3660222384. Its totient is φ = 1045594784.

The previous prime is 2091372551. The next prime is 2091372631. The reversal of 2091372604 is 4062731902.

It is a self number, because there is not a number n which added to its sum of digits gives 2091372604.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 76449 + ... + 100135.

It is an arithmetic number, because the mean of its divisors is an integer number (305018532).

Almost surely, 2^2091372604 is an apocalyptic number.

It is an amenable number.

2091372604 is a deficient number, since it is larger than the sum of its proper divisors (1568849780).

2091372604 is a wasteful number, since it uses less digits than its factorization.

2091372604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45764 (or 45762 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 2091372604 is about 45731.5274619162. The cubic root of 2091372604 is about 1278.8230970956.

The spelling of 2091372604 in words is "two billion, ninety-one million, three hundred seventy-two thousand, six hundred four".