2109822494 has 32 divisors (see below), whose sum is σ = 3511691904. Its totient is φ = 944628480.

The previous prime is 2109822479. The next prime is 2109822509. The reversal of 2109822494 is 4942289012.

It is an interprime number because it is at equal distance from previous prime (2109822479) and next prime (2109822509).

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 15 ways as a sum of consecutive naturals, for example, 106667 + ... + 124889.

It is an arithmetic number, because the mean of its divisors is an integer number (109740372).

Almost surely, 2^2109822494 is an apocalyptic number.

2109822494 is a deficient number, since it is larger than the sum of its proper divisors (1401869410).

2109822494 is a wasteful number, since it uses less digits than its factorization.

2109822494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18372.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 2109822494 is about 45932.8041164482. The cubic root of 2109822494 is about 1282.5726444367.

The spelling of 2109822494 in words is "two billion, one hundred nine million, eight hundred twenty-two thousand, four hundred ninety-four".