2091500446 has 64 divisors (see below), whose sum is σ = 4058449920. Its totient is φ = 787184640.

The previous prime is 2091500441. The next prime is 2091500447. The reversal of 2091500446 is 6440051902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091500441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219775 + ... + 229093.

It is an arithmetic number, because the mean of its divisors is an integer number (63413280).

Almost surely, 2^2091500446 is an apocalyptic number.

2091500446 is a deficient number, since it is larger than the sum of its proper divisors (1966949474).

2091500446 is a wasteful number, since it uses less digits than its factorization.

2091500446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9409.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 2091500446 is about 45732.9251852536. The cubic root of 2091500446 is about 1278.8491539814.

The spelling of 2091500446 in words is "two billion, ninety-one million, five hundred thousand, four hundred forty-six".