9720002151 has 24 divisors (see below), whose sum is σ = 14343522336. Its totient is φ = 6340576320.

The previous prime is 9720002113. The next prime is 9720002183. The reversal of 9720002151 is 1512000279.

It is not a de Polignac number, because 9720002151 - 2¹⁷ = 9719871079 is a prime.

9720002151 is a modest number, since divided by 2151 gives 972 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9720002191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150606 + ... + 205236.

It is an arithmetic number, because the mean of its divisors is an integer number (597646764).

Almost surely, 2^9720002151 is an apocalyptic number.

9720002151 is a deficient number, since it is larger than the sum of its proper divisors (4623520185).

9720002151 is a wasteful number, since it uses less digits than its factorization.

9720002151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55063 (or 55060 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 9720002151 is about 98590.0712597369. The cubic root of 9720002151 is about 2134.1361401195.

The spelling of 9720002151 in words is "nine billion, seven hundred twenty million, two thousand, one hundred fifty-one".