1799134618 has 4 divisors (see below), whose sum is σ = 2698701930. Its totient is φ = 899567308.

The previous prime is 1799134609. The next prime is 1799134619. The reversal of 1799134618 is 8164319971.

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., 1600240009 + 198894609 = 40003^2 + 14103^2 .

It is not an unprimeable number, because it can be changed into a prime (1799134619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449783653 + ... + 449783656.

Almost surely, 2^1799134618 is an apocalyptic number.

1799134618 is a deficient number, since it is larger than the sum of its proper divisors (899567312).

1799134618 is an equidigital number, since it uses as much as digits as its factorization.

1799134618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899567311.

The product of its digits is 326592, while the sum is 49.

The square root of 1799134618 is about 42416.2070204303. The cubic root of 1799134618 is about 1216.2454260833.

The spelling of 1799134618 in words is "one billion, seven hundred ninety-nine million, one hundred thirty-four thousand, six hundred eighteen".