2091412590 has 32 divisors (see below), whose sum is σ = 5314649760. Its totient is φ = 524903424.

The previous prime is 2091412553. The next prime is 2091412597. The reversal of 2091412590 is 952141902.

It is a super-2 number, since 2×2091412590² = 8748013243221016200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091412597) 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 15 ways as a sum of consecutive naturals, for example, 2049895 + ... + 2050914.

It is an arithmetic number, because the mean of its divisors is an integer number (166082805).

Almost surely, 2^2091412590 is an apocalyptic number.

2091412590 is an abundant number, since it is smaller than the sum of its proper divisors (3223237170).

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

2091412590 is a wasteful number, since it uses less digits than its factorization.

2091412590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100836.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 2091412590 is about 45731.9646418126. The cubic root of 2091412590 is about 1278.8312471967.

The spelling of 2091412590 in words is "two billion, ninety-one million, four hundred twelve thousand, five hundred ninety".