2961863745 has 16 divisors (see below), whose sum is σ = 4740249600. Its totient is φ = 1579238144.

The previous prime is 2961863741. The next prime is 2961863747. The reversal of 2961863745 is 5473681692.

It is a cyclic number.

It is not a de Polignac number, because 2961863745 - 2² = 2961863741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2961863741) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36352 + ... + 85118.

It is an arithmetic number, because the mean of its divisors is an integer number (296265600).

Almost surely, 2^2961863745 is an apocalyptic number.

It is an amenable number.

2961863745 is a deficient number, since it is larger than the sum of its proper divisors (1778385855).

2961863745 is a wasteful number, since it uses less digits than its factorization.

2961863745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52824.

The product of its digits is 2177280, while the sum is 51.

The square root of 2961863745 is about 54423.0074968299. The cubic root of 2961863745 is about 1436.1121568875.

The spelling of 2961863745 in words is "two billion, nine hundred sixty-one million, eight hundred sixty-three thousand, seven hundred forty-five".