616490049305 has 8 divisors (see below), whose sum is σ = 796694833032. Its totient is φ = 455254190208.

The previous prime is 616490049293. The next prime is 616490049377. The reversal of 616490049305 is 503940094616.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25133663296 + 591356386009 = 158536^2 + 768997^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 616490049305 - 2¹⁸ = 616489787161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 616490049305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742231084 + ... + 4742231213.

It is an arithmetic number, because the mean of its divisors is an integer number (99586854129).

Almost surely, 2^616490049305 is an apocalyptic number.

616490049305 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

616490049305 is a deficient number, since it is larger than the sum of its proper divisors (180204783727).

616490049305 is a wasteful number, since it uses less digits than its factorization.

616490049305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9484462315.

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 616490049305 in words is "six hundred sixteen billion, four hundred ninety million, forty-nine thousand, three hundred five".