6961349816 has 8 divisors (see below), whose sum is σ = 13052530920. Its totient is φ = 3480674904.

The previous prime is 6961349783. The next prime is 6961349891. The reversal of 6961349816 is 6189431696.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435084356 + ... + 435084371.

It is an arithmetic number, because the mean of its divisors is an integer number (1631566365).

Almost surely, 2^6961349816 is an apocalyptic number.

It is an amenable number.

6961349816 is a deficient number, since it is larger than the sum of its proper divisors (6091181104).

6961349816 is a wasteful number, since it uses less digits than its factorization.

6961349816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870168733 (or 870168729 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 53.

The square root of 6961349816 is about 83434.7039067078. The cubic root of 6961349816 is about 1909.4039619312.

The spelling of 6961349816 in words is "six billion, nine hundred sixty-one million, three hundred forty-nine thousand, eight hundred sixteen".