2961869538971 has 8 divisors (see below), whose sum is σ = 3532167400704. Its totient is φ = 2428365087720.

The previous prime is 2961869538959. The next prime is 2961869538977. The reversal of 2961869538971 is 1798359681692.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2961869538971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2961869538977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9198352445 + ... + 9198352766.

It is an arithmetic number, because the mean of its divisors is an integer number (441520925088).

Almost surely, 2^{2961869538971} is an apocalyptic number.

2961869538971 is a deficient number, since it is larger than the sum of its proper divisors (570297861733).

2961869538971 is a wasteful number, since it uses less digits than its factorization.

2961869538971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18396705241.

The product of its digits is 352719360, while the sum is 74.

The spelling of 2961869538971 in words is "two trillion, nine hundred sixty-one billion, eight hundred sixty-nine million, five hundred thirty-eight thousand, nine hundred seventy-one".