18841365484249 has 32 divisors (see below), whose sum is σ = 24568471517184. Its totient is φ = 14010820750080.

The previous prime is 18841365484243. The next prime is 18841365484283. The reversal of 18841365484249 is 94248456314881.

It is not a de Polignac number, because 18841365484249 - 2⁵ = 18841365484217 is a prime.

It is a super-2 number, since 2×18841365484249² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18841365484243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11518179 + ... + 13051864.

It is an arithmetic number, because the mean of its divisors is an integer number (767764734912).

Almost surely, 2^{18841365484249} is an apocalyptic number.

It is an amenable number.

18841365484249 is a deficient number, since it is larger than the sum of its proper divisors (5727106032935).

18841365484249 is a wasteful number, since it uses less digits than its factorization.

18841365484249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24570517.

The product of its digits is 212336640, while the sum is 67.

The spelling of 18841365484249 in words is "eighteen trillion, eight hundred forty-one billion, three hundred sixty-five million, four hundred eighty-four thousand, two hundred forty-nine".