2961619671 has 8 divisors (see below), whose sum is σ = 3952594800. Its totient is φ = 1972528832.

The previous prime is 2961619649. The next prime is 2961619721. The reversal of 2961619671 is 1769161692.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2961619671 - 2⁶ = 2961619607 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2961619671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2961612671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467400 + ... + 473693.

It is an arithmetic number, because the mean of its divisors is an integer number (494074350).

Almost surely, 2^2961619671 is an apocalyptic number.

2961619671 is a deficient number, since it is larger than the sum of its proper divisors (990975129).

2961619671 is a wasteful number, since it uses less digits than its factorization.

2961619671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942145.

The product of its digits is 244944, while the sum is 48.

The square root of 2961619671 is about 54420.7650717996. The cubic root of 2961619671 is about 1436.0727079350.

The spelling of 2961619671 in words is "two billion, nine hundred sixty-one million, six hundred nineteen thousand, six hundred seventy-one".