616441245377 has 4 divisors (see below), whose sum is σ = 616923217920. Its totient is φ = 615959272836.

The previous prime is 616441245341. The next prime is 616441245379. The reversal of 616441245377 is 773542144616.

616441245377 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 616441245377 - 2¹⁴ = 616441228993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616441245379) 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, 240984353 + ... + 240986910.

It is an arithmetic number, because the mean of its divisors is an integer number (154230804480).

Almost surely, 2^616441245377 is an apocalyptic number.

It is an amenable number.

616441245377 is a deficient number, since it is larger than the sum of its proper divisors (481972543).

616441245377 is a wasteful number, since it uses less digits than its factorization.

616441245377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481972542.

The product of its digits is 3386880, while the sum is 50.

The spelling of 616441245377 in words is "six hundred sixteen billion, four hundred forty-one million, two hundred forty-five thousand, three hundred seventy-seven".