616231355473 has 4 divisors (see below), whose sum is σ = 616252928368. Its totient is φ = 616209782580.

The previous prime is 616231355459. The next prime is 616231355479. The reversal of 616231355473 is 374553132616.

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 a de Polignac number, because none of the positive numbers 2^k-616231355473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616231355479) 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, 10743543 + ... + 10800748.

It is an arithmetic number, because the mean of its divisors is an integer number (154063232092).

Almost surely, 2^616231355473 is an apocalyptic number.

It is an amenable number.

616231355473 is a deficient number, since it is larger than the sum of its proper divisors (21572895).

616231355473 is a wasteful number, since it uses less digits than its factorization.

616231355473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21572894.

The product of its digits is 1360800, while the sum is 46.

The spelling of 616231355473 in words is "six hundred sixteen billion, two hundred thirty-one million, three hundred fifty-five thousand, four hundred seventy-three".