612378444703 has 4 divisors (see below), whose sum is σ = 612446277240. Its totient is φ = 612310612168.

The previous prime is 612378444673. The next prime is 612378444731. The reversal of 612378444703 is 307444873216.

612378444703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612378444703 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 (612378445703) 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, 33902725 + ... + 33920782.

It is an arithmetic number, because the mean of its divisors is an integer number (153111569310).

Almost surely, 2^612378444703 is an apocalyptic number.

612378444703 is a deficient number, since it is larger than the sum of its proper divisors (67832537).

612378444703 is an equidigital number, since it uses as much as digits as its factorization.

612378444703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67832536.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 612378444703 in words is "six hundred twelve billion, three hundred seventy-eight million, four hundred forty-four thousand, seven hundred three".