616000000919 has 4 divisors (see below), whose sum is σ = 616586110440. Its totient is φ = 615413891400.

The previous prime is 616000000909. The next prime is 616000000933. The reversal of 616000000919 is 919000000616.

It is a happy number.

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-616000000919 is a prime.

It is a super-2 number, since 2×616000000919² (a number of 24 digits) contains 22 as substring.

616000000919 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616000000909) 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, 293053184 + ... + 293055285.

It is an arithmetic number, because the mean of its divisors is an integer number (154146527610).

Almost surely, 2^616000000919 is an apocalyptic number.

616000000919 is a deficient number, since it is larger than the sum of its proper divisors (586109521).

616000000919 is a wasteful number, since it uses less digits than its factorization.

616000000919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586109520.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 616000000919 in words is "six hundred sixteen billion, nine hundred nineteen", and thus it is an aban number.