132473430644 has 18 divisors (see below), whose sum is σ = 237620780502. Its totient is φ = 64621182400.

The previous prime is 132473430643. The next prime is 132473430647. The reversal of 132473430644 is 446034374231.

It can be written as a sum of positive squares in 3 ways, for example, as 544662244 + 131928768400 = 23338^2 + 363220^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (132473430643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9844067 + ... + 9857514.

Almost surely, 2^132473430644 is an apocalyptic number.

It is an amenable number.

132473430644 is a deficient number, since it is larger than the sum of its proper divisors (105147349858).

132473430644 is a wasteful number, since it uses less digits than its factorization.

132473430644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19701667 (or 19701624 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 41.

The spelling of 132473430644 in words is "one hundred thirty-two billion, four hundred seventy-three million, four hundred thirty thousand, six hundred forty-four".