437061664045 has 4 divisors (see below), whose sum is σ = 524473996860. Its totient is φ = 349649331232.

The previous prime is 437061664037. The next prime is 437061664057. The reversal of 437061664045 is 540466160734.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 255779016516 + 181282647529 = 505746^2 + 425773^2 .

It is a cyclic number.

It is not a de Polignac number, because 437061664045 - 2³ = 437061664037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 437061663986 and 437061664004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43706166400 + ... + 43706166409.

It is an arithmetic number, because the mean of its divisors is an integer number (131118499215).

Almost surely, 2^437061664045 is an apocalyptic number.

It is an amenable number.

437061664045 is a deficient number, since it is larger than the sum of its proper divisors (87412332815).

437061664045 is an equidigital number, since it uses as much as digits as its factorization.

437061664045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87412332814.

The product of its (nonzero) digits is 1451520, while the sum is 46.

The spelling of 437061664045 in words is "four hundred thirty-seven billion, sixty-one million, six hundred sixty-four thousand, forty-five".