1099859546 has 4 divisors (see below), whose sum is σ = 1649789322. Its totient is φ = 549929772.

The previous prime is 1099859531. The next prime is 1099859569. The reversal of 1099859546 is 6459589901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6459589901 = 47 ⋅137438083.

It can be written as a sum of positive squares in only one way, i.e., 587335225 + 512524321 = 24235^2 + 22639^2 .

It is a super-2 number, since 2×1099859546² = 2419382041854652232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1099859491 and 1099859500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274964885 + ... + 274964888.

Almost surely, 2^1099859546 is an apocalyptic number.

1099859546 is a deficient number, since it is larger than the sum of its proper divisors (549929776).

1099859546 is an equidigital number, since it uses as much as digits as its factorization.

1099859546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549929775.

The product of its (nonzero) digits is 3499200, while the sum is 56.

The square root of 1099859546 is about 33164.1304122391. The cubic root of 1099859546 is about 1032.2361778677.

The spelling of 1099859546 in words is "one billion, ninety-nine million, eight hundred fifty-nine thousand, five hundred forty-six".