2091164498 has 4 divisors (see below), whose sum is σ = 3136746750. Its totient is φ = 1045582248.

The previous prime is 2091164477. The next prime is 2091164503. The reversal of 2091164498 is 8944611902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1725322369 + 365842129 = 41537^2 + 19127^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522791123 + ... + 522791126.

Almost surely, 2^2091164498 is an apocalyptic number.

2091164498 is a deficient number, since it is larger than the sum of its proper divisors (1045582252).

2091164498 is a wasteful number, since it uses less digits than its factorization.

2091164498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045582251.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 2091164498 is about 45729.2521040963. The cubic root of 2091164498 is about 1278.7806784489.

The spelling of 2091164498 in words is "two billion, ninety-one million, one hundred sixty-four thousand, four hundred ninety-eight".