6614897813 has 4 divisors (see below), whose sum is σ = 6644038560. Its totient is φ = 6585757068.

The previous prime is 6614897797. The next prime is 6614897879. The reversal of 6614897813 is 3187984166.

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 6614897813 - 2⁴ = 6614897797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6614897413) 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, 14570033 + ... + 14570486.

It is an arithmetic number, because the mean of its divisors is an integer number (1661009640).

Almost surely, 2^6614897813 is an apocalyptic number.

It is an amenable number.

6614897813 is a deficient number, since it is larger than the sum of its proper divisors (29140747).

6614897813 is a wasteful number, since it uses less digits than its factorization.

6614897813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29140746.

The product of its digits is 1741824, while the sum is 53.

The square root of 6614897813 is about 81332.0220638833. The cubic root of 6614897813 is about 1877.1877574815.

The spelling of 6614897813 in words is "six billion, six hundred fourteen million, eight hundred ninety-seven thousand, eight hundred thirteen".