18453241477 has 8 divisors (see below), whose sum is σ = 20132072352. Its totient is φ = 16774621200.

The previous prime is 18453241423. The next prime is 18453241489. The reversal of 18453241477 is 77414235481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 18453241477 - 2³¹ = 16305757829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18453241777) 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 7 ways as a sum of consecutive naturals, for example, 172423 + ... + 258139.

It is an arithmetic number, because the mean of its divisors is an integer number (2516509044).

Almost surely, 2^18453241477 is an apocalyptic number.

It is an amenable number.

18453241477 is a deficient number, since it is larger than the sum of its proper divisors (1678830875).

18453241477 is a wasteful number, since it uses less digits than its factorization.

18453241477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105299.

The product of its digits is 752640, while the sum is 46.

The spelling of 18453241477 in words is "eighteen billion, four hundred fifty-three million, two hundred forty-one thousand, four hundred seventy-seven".