2961610390489 has 3 divisors (see below), whose sum is σ = 2961612111423. Its totient is φ = 2961608669556.

The previous prime is 2961610390439. The next prime is 2961610390507. The reversal of 2961610390489 is 9840930161692.

The square root of 2961610390489 is 1720933.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2893902025 + 2958716488464 = 53795^2 + 1720092^2 .

It is not a de Polignac number, because 2961610390489 - 2²³ = 2961602001881 is a prime.

It is a super-2 number, since 2×2961610390489² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2961610390439) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 860467 + ... + 2581399.

It is an arithmetic number, because the mean of its divisors is an integer number (987204037141).

Almost surely, 2^{2961610390489} is an apocalyptic number.

2961610390489 is the 1720933-rd square number.

2961610390489 is the 860467-th centered octagonal number.

It is an amenable number.

2961610390489 is a deficient number, since it is larger than the sum of its proper divisors (1720934).

2961610390489 is an frugal number, since it uses more digits than its factorization.

2961610390489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441866 (or 1720933 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 2961610390489 in words is "two trillion, nine hundred sixty-one billion, six hundred ten million, three hundred ninety thousand, four hundred eighty-nine".