614400216643 has 4 divisors (see below), whose sum is σ = 635586431040. Its totient is φ = 593214002248.

The previous prime is 614400216623. The next prime is 614400216649. The reversal of 614400216643 is 346612004416.

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 614400216643 - 2²⁹ = 613863345731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (614400216649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10593107155 + ... + 10593107212.

It is an arithmetic number, because the mean of its divisors is an integer number (158896607760).

Almost surely, 2^614400216643 is an apocalyptic number.

614400216643 is a deficient number, since it is larger than the sum of its proper divisors (21186214397).

614400216643 is a wasteful number, since it uses less digits than its factorization.

614400216643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21186214396.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 614400216643 in words is "six hundred fourteen billion, four hundred million, two hundred sixteen thousand, six hundred forty-three".