2980734661 has 12 divisors (see below), whose sum is σ = 3261182796. Its totient is φ = 2714885760.

The previous prime is 2980734643. The next prime is 2980734667. The reversal of 2980734661 is 1664370892.

2980734661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1381534561 + 1599200100 = 37169^2 + 39990^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2980734661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2980734667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74890 + ... + 107563.

It is an arithmetic number, because the mean of its divisors is an integer number (271765233).

Almost surely, 2^2980734661 is an apocalyptic number.

It is an amenable number.

2980734661 is a deficient number, since it is larger than the sum of its proper divisors (280448135).

2980734661 is a wasteful number, since it uses less digits than its factorization.

2980734661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182532 (or 182501 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 2980734661 is about 54596.1048152705. The cubic root of 2980734661 is about 1439.1556683854.

The spelling of 2980734661 in words is "two billion, nine hundred eighty million, seven hundred thirty-four thousand, six hundred sixty-one".