409190061 has 32 divisors (see below), whose sum is σ = 658022400. Its totient is φ = 220950720.

The previous prime is 409190053. The next prime is 409190077. The reversal of 409190061 is 160091904.

It is not a de Polignac number, because 409190061 - 2³ = 409190053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409190011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190051 + ... + 192191.

It is an arithmetic number, because the mean of its divisors is an integer number (20563200).

Almost surely, 2^409190061 is an apocalyptic number.

It is an amenable number.

409190061 is a deficient number, since it is larger than the sum of its proper divisors (248832339).

409190061 is a wasteful number, since it uses less digits than its factorization.

409190061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2649.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 409190061 is about 20228.4468261901. The cubic root of 409190061 is about 742.4063743912.

The spelling of 409190061 in words is "four hundred nine million, one hundred ninety thousand, sixty-one".