618081214463 has 4 divisors (see below), whose sum is σ = 644954310768. Its totient is φ = 591208118160.

The previous prime is 618081214441. The next prime is 618081214469. The reversal of 618081214463 is 364412180816.

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

It is a cyclic number.

It is not a de Polignac number, because 618081214463 - 2¹² = 618081210367 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 (618081214469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13436548118 + ... + 13436548163.

It is an arithmetic number, because the mean of its divisors is an integer number (161238577692).

Almost surely, 2^618081214463 is an apocalyptic number.

618081214463 is a deficient number, since it is larger than the sum of its proper divisors (26873096305).

618081214463 is a wasteful number, since it uses less digits than its factorization.

618081214463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26873096304.

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 618081214463 in words is "six hundred eighteen billion, eighty-one million, two hundred fourteen thousand, four hundred sixty-three".