616824719513 has 4 divisors (see below), whose sum is σ = 619405576320. Its totient is φ = 614243862708.

The previous prime is 616824719491. The next prime is 616824719573. The reversal of 616824719513 is 315917428616.

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 616824719513 - 2⁸ = 616824719257 is a prime.

It is a super-2 number, since 2×616824719513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (616824719573) 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, 1290428045 + ... + 1290428522.

It is an arithmetic number, because the mean of its divisors is an integer number (154851394080).

Almost surely, 2^616824719513 is an apocalyptic number.

It is an amenable number.

616824719513 is a deficient number, since it is larger than the sum of its proper divisors (2580856807).

616824719513 is a wasteful number, since it uses less digits than its factorization.

616824719513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580856806.

The product of its digits is 2177280, while the sum is 53.

The spelling of 616824719513 in words is "six hundred sixteen billion, eight hundred twenty-four million, seven hundred nineteen thousand, five hundred thirteen".