2941502836561 has 9 divisors (see below), whose sum is σ = 2971089946929. Its totient is φ = 2912207538000.

The previous prime is 2941502836499. The next prime is 2941502836651. The reversal of 2941502836561 is 1656382051492.

It is a happy number.

The square root of 2941502836561 is 1715081.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2618833394961 + 322669441600 = 1618281^2 + 568040^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2941502836561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2941502836499 and 2941502836508.

It is not an unprimeable number, because it can be changed into a prime (2941502833561) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 173214691 + ... + 173231671.

Almost surely, 2^{2941502836561} is an apocalyptic number.

2941502836561 is the 1715081-st square number.

2941502836561 is the 857541-st centered octagonal number.

It is an amenable number.

2941502836561 is a deficient number, since it is larger than the sum of its proper divisors (29587110368).

2941502836561 is an frugal number, since it uses more digits than its factorization.

2941502836561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34164 (or 17082 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 2941502836561 in words is "two trillion, nine hundred forty-one billion, five hundred two million, eight hundred thirty-six thousand, five hundred sixty-one".