18954430245 has 64 divisors (see below), whose sum is σ = 35717760000. Its totient is φ = 9504027648.

The previous prime is 18954430213. The next prime is 18954430277. The reversal of 18954430245 is 54203445981.

18954430245 is a `hidden beast` number, since 1 + 89 + 544 + 3 + 0 + 24 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (18954430213) and next prime (18954430277).

It is not a de Polignac number, because 18954430245 - 2⁵ = 18954430213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18954430245.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2380531 + ... + 2388479.

It is an arithmetic number, because the mean of its divisors is an integer number (558090000).

Almost surely, 2^18954430245 is an apocalyptic number.

18954430245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18954430245 is a deficient number, since it is larger than the sum of its proper divisors (16763329755).

18954430245 is a wasteful number, since it uses less digits than its factorization.

18954430245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9019 (or 9013 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 18954430245 in words is "eighteen billion, nine hundred fifty-four million, four hundred thirty thousand, two hundred forty-five".