6961437564 has 12 divisors (see below), whose sum is σ = 16243354344. Its totient is φ = 2320479184.

The previous prime is 6961437541. The next prime is 6961437583. The reversal of 6961437564 is 4657341696.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×6961437564² = 96923225914940508192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290059887 + ... + 290059910.

It is an arithmetic number, because the mean of its divisors is an integer number (1353612862).

Almost surely, 2^6961437564 is an apocalyptic number.

It is an amenable number.

6961437564 is an abundant number, since it is smaller than the sum of its proper divisors (9281916780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6961437564 is a wasteful number, since it uses less digits than its factorization.

6961437564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580119804 (or 580119802 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 51.

The square root of 6961437564 is about 83435.2297533842. The cubic root of 6961437564 is about 1909.4119845935.

The spelling of 6961437564 in words is "six billion, nine hundred sixty-one million, four hundred thirty-seven thousand, five hundred sixty-four".