1461973684225 has 12 divisors (see below), whose sum is σ = 1812871876140. Its totient is φ = 1169563136000.

The previous prime is 1461973684189. The next prime is 1461973684231. The reversal of 1461973684225 is 5224863791641.

It can be written as a sum of positive squares in 6 ways, for example, as 71821856016 + 1390151828209 = 267996^2 + 1179047^2 .

It is not a de Polignac number, because 1461973684225 - 2²⁷ = 1461839466497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1461973684225.

It is an unprimeable number.

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, 1711041 + ... + 2419009.

It is an arithmetic number, because the mean of its divisors is an integer number (151072656345).

Almost surely, 2^{1461973684225} is an apocalyptic number.

It is an amenable number.

1461973684225 is a deficient number, since it is larger than the sum of its proper divisors (350898191915).

1461973684225 is an equidigital number, since it uses as much as digits as its factorization.

1461973684225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790580 (or 790575 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 58.

The spelling of 1461973684225 in words is "one trillion, four hundred sixty-one billion, nine hundred seventy-three million, six hundred eighty-four thousand, two hundred twenty-five".