18458049614 has 4 divisors (see below), whose sum is σ = 27687074424. Its totient is φ = 9229024806.

The previous prime is 18458049613. The next prime is 18458049619. The reversal of 18458049614 is 41694085481.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18458049613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4614512402 + ... + 4614512405.

It is an arithmetic number, because the mean of its divisors is an integer number (6921768606).

Almost surely, 2^18458049614 is an apocalyptic number.

18458049614 is a deficient number, since it is larger than the sum of its proper divisors (9229024810).

18458049614 is an equidigital number, since it uses as much as digits as its factorization.

18458049614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229024809.

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 18458049614 in words is "eighteen billion, four hundred fifty-eight million, forty-nine thousand, six hundred fourteen".