1814699949 has 4 divisors (see below), whose sum is σ = 2419599936. Its totient is φ = 1209799964.

The previous prime is 1814699933. The next prime is 1814699981. The reversal of 1814699949 is 9499964181.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1814699949 - 2⁴ = 1814699933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1814699892 and 1814699901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814699449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 302449989 + ... + 302449994.

It is an arithmetic number, because the mean of its divisors is an integer number (604899984).

Almost surely, 2^1814699949 is an apocalyptic number.

It is an amenable number.

1814699949 is a deficient number, since it is larger than the sum of its proper divisors (604899987).

1814699949 is an equidigital number, since it uses as much as digits as its factorization.

1814699949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604899986.

The product of its digits is 5038848, while the sum is 60.

The square root of 1814699949 is about 42599.2951702255. The cubic root of 1814699949 is about 1219.7428350280.

The spelling of 1814699949 in words is "one billion, eight hundred fourteen million, six hundred ninety-nine thousand, nine hundred forty-nine".