409160985437 has 8 divisors (see below), whose sum is σ = 433411274232. Its totient is φ = 384930918400.

The previous prime is 409160985421. The next prime is 409160985439. The reversal of 409160985437 is 734589061904.

It can be written as a sum of positive squares in 4 ways, for example, as 496131076 + 408664854361 = 22274^2 + 639269^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 409160985437 - 2⁴ = 409160985421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409160985439) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5013764 + ... + 5094717.

It is an arithmetic number, because the mean of its divisors is an integer number (54176409279).

Almost surely, 2^409160985437 is an apocalyptic number.

It is an amenable number.

409160985437 is a deficient number, since it is larger than the sum of its proper divisors (24250288795).

409160985437 is a wasteful number, since it uses less digits than its factorization.

409160985437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110879.

The product of its (nonzero) digits is 6531840, while the sum is 56.

The spelling of 409160985437 in words is "four hundred nine billion, one hundred sixty million, nine hundred eighty-five thousand, four hundred thirty-seven".