6959561541 has 8 divisors (see below), whose sum is σ = 9825263424. Its totient is φ = 4366783680.

The previous prime is 6959561533. The next prime is 6959561593. The reversal of 6959561541 is 1451659596.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6959561541 - 2³ = 6959561533 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51), and also a Moran number because the ratio is a prime number: 136461991 = 6959561541 / (6 + 9 + 5 + 9 + 5 + 6 + 1 + 5 + 4 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6959561501) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 68230945 + ... + 68231046.

It is an arithmetic number, because the mean of its divisors is an integer number (1228157928).

Almost surely, 2^6959561541 is an apocalyptic number.

It is an amenable number.

6959561541 is a deficient number, since it is larger than the sum of its proper divisors (2865701883).

6959561541 is a wasteful number, since it uses less digits than its factorization.

6959561541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136462011.

The product of its digits is 1458000, while the sum is 51.

The square root of 6959561541 is about 83423.9866045731. The cubic root of 6959561541 is about 1909.2404480589.

The spelling of 6959561541 in words is "six billion, nine hundred fifty-nine million, five hundred sixty-one thousand, five hundred forty-one".