18849270254 has 4 divisors (see below), whose sum is σ = 28273905384. Its totient is φ = 9424635126.

The previous prime is 18849270199. The next prime is 18849270299. The reversal of 18849270254 is 45207294881.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4712317562 + ... + 4712317565.

It is an arithmetic number, because the mean of its divisors is an integer number (7068476346).

Almost surely, 2^18849270254 is an apocalyptic number.

18849270254 is a deficient number, since it is larger than the sum of its proper divisors (9424635130).

18849270254 is an equidigital number, since it uses as much as digits as its factorization.

18849270254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9424635129.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 18849270254 in words is "eighteen billion, eight hundred forty-nine million, two hundred seventy thousand, two hundred fifty-four".