2321646453025 has 9 divisors (see below), whose sum is σ = 2878851048691. Its totient is φ = 1857311067640.

The previous prime is 2321646453017. The next prime is 2321646453043. The reversal of 2321646453025 is 5203546461232.

The square root of 2321646453025 is 1523695.

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., 835792723089 + 1485853729936 = 914217^2 + 1218956^2 .

It is not a de Polignac number, because 2321646453025 - 2³ = 2321646453017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7466106 + ... + 7770844.

Almost surely, 2^{2321646453025} is an apocalyptic number.

2321646453025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2321646453025 is the 1523695-th square number.

2321646453025 is the 761848-th centered octagonal number.

It is an amenable number.

2321646453025 is a deficient number, since it is larger than the sum of its proper divisors (557204595666).

2321646453025 is an frugal number, since it uses more digits than its factorization.

2321646453025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609488 (or 304744 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 2321646453025 in words is "two trillion, three hundred twenty-one billion, six hundred forty-six million, four hundred fifty-three thousand, twenty-five".