2917720516 has 12 divisors (see below), whose sum is σ = 5114864188. Its totient is φ = 1456330752.

The previous prime is 2917720513. The next prime is 2917720517. The reversal of 2917720516 is 6150277192.

2917720516 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 1570536900 + 1347183616 = 39630^2 + 36704^2 .

It is not an unprimeable number, because it can be changed into a prime (2917720513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629781 + ... + 634396.

Almost surely, 2^2917720516 is an apocalyptic number.

It is an amenable number.

2917720516 is a deficient number, since it is larger than the sum of its proper divisors (2197143672).

2917720516 is a wasteful number, since it uses less digits than its factorization.

2917720516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1264758 (or 1264756 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 2917720516 is about 54015.9283545141. The cubic root of 2917720516 is about 1428.9418739252.

The spelling of 2917720516 in words is "two billion, nine hundred seventeen million, seven hundred twenty thousand, five hundred sixteen".