1816652498 has 4 divisors (see below), whose sum is σ = 2724978750. Its totient is φ = 908326248.

The previous prime is 1816652489. The next prime is 1816652531. The reversal of 1816652498 is 8942566181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8942566181 = 857 ⋅10434733.

It can be written as a sum of positive squares in only one way, i.e., 1652991649 + 163660849 = 40657^2 + 12793^2 .

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 as a sum of consecutive naturals, namely, 454163123 + ... + 454163126.

Almost surely, 2^1816652498 is an apocalyptic number.

1816652498 is a deficient number, since it is larger than the sum of its proper divisors (908326252).

1816652498 is an equidigital number, since it uses as much as digits as its factorization.

1816652498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908326251.

The product of its digits is 829440, while the sum is 50.

The square root of 1816652498 is about 42622.2066298778. The cubic root of 1816652498 is about 1220.1801440518.

The spelling of 1816652498 in words is "one billion, eight hundred sixteen million, six hundred fifty-two thousand, four hundred ninety-eight".