4721610897 has 12 divisors (see below), whose sum is σ = 6890416260. Its totient is φ = 3115289088.

The previous prime is 4721610893. The next prime is 4721610931. The reversal of 4721610897 is 7980161274.

It is a happy number.

4721610897 is a `hidden beast` number, since 4 + 7 + 21 + 610 + 8 + 9 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3619105281 + 1102505616 = 60159^2 + 33204^2 .

It is not a de Polignac number, because 4721610897 - 2² = 4721610893 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4721610893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2703372 + ... + 2705117.

It is an arithmetic number, because the mean of its divisors is an integer number (574201355).

Almost surely, 2^4721610897 is an apocalyptic number.

It is an amenable number.

4721610897 is a deficient number, since it is larger than the sum of its proper divisors (2168805363).

4721610897 is a wasteful number, since it uses less digits than its factorization.

4721610897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408592 (or 5408589 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 4721610897 is about 68713.9789053145. The cubic root of 4721610897 is about 1677.6321158855.

The spelling of 4721610897 in words is "four billion, seven hundred twenty-one million, six hundred ten thousand, eight hundred ninety-seven".