409453141 has 4 divisors (see below), whose sum is σ = 410761612. Its totient is φ = 408144672.

The previous prime is 409453123. The next prime is 409453189. The reversal of 409453141 is 141354904.

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 167806116 + 241647025 = 12954^2 + 15545^2 .

It is a cyclic number.

It is not a de Polignac number, because 409453141 - 2⁹ = 409452629 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 (409453111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653766 + ... + 654391.

It is an arithmetic number, because the mean of its divisors is an integer number (102690403).

Almost surely, 2^409453141 is an apocalyptic number.

It is an amenable number.

409453141 is a deficient number, since it is larger than the sum of its proper divisors (1308471).

409453141 is a wasteful number, since it uses less digits than its factorization.

409453141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308470.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 409453141 is about 20234.9485050000. The cubic root of 409453141 is about 742.5654450735.

The spelling of 409453141 in words is "four hundred nine million, four hundred fifty-three thousand, one hundred forty-one".