2091463374 has 96 divisors (see below), whose sum is σ = 5716642176. Its totient is φ = 501439680.

The previous prime is 2091463373. The next prime is 2091463397. The reversal of 2091463374 is 4733641902.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091463373) 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 47 ways as a sum of consecutive naturals, for example, 17169 + ... + 66915.

It is an arithmetic number, because the mean of its divisors is an integer number (59548356).

Almost surely, 2^2091463374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2091463374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2858321088).

2091463374 is an abundant number, since it is smaller than the sum of its proper divisors (3625178802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2091463374 is a wasteful number, since it uses less digits than its factorization.

2091463374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49790 (or 49783 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 2091463374 is about 45732.5198737179. The cubic root of 2091463374 is about 1278.8415980382.

The spelling of 2091463374 in words is "two billion, ninety-one million, four hundred sixty-three thousand, three hundred seventy-four".