2321658642601 has 9 divisors (see below), whose sum is σ = 2327247256503. Its totient is φ = 2316083427960.

The previous prime is 2321658642581. The next prime is 2321658642629. The reversal of 2321658642601 is 1062468561232.

It is a happy number.

The square root of 2321658642601 is 1523699.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 173264895001 + 2148393747600 = 416251^2 + 1465740^2 .

It is not a de Polignac number, because 2321658642601 - 2²¹ = 2321656545449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2321658640601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 729850231 + ... + 729853411.

Almost surely, 2^{2321658642601} is an apocalyptic number.

2321658642601 is the 1523699-th square number.

2321658642601 is the 761850-th centered octagonal number.

It is an amenable number.

2321658642601 is a deficient number, since it is larger than the sum of its proper divisors (5588613902).

2321658642601 is an frugal number, since it uses more digits than its factorization.

2321658642601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 2321658642601 in words is "two trillion, three hundred twenty-one billion, six hundred fifty-eight million, six hundred forty-two thousand, six hundred one".