416531109 has 4 divisors (see below), whose sum is σ = 555374816. Its totient is φ = 277687404.

The previous prime is 416531047. The next prime is 416531111. The reversal of 416531109 is 901135614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 416531109 - 2⁸ = 416530853 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 (416531179) 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, 69421849 + ... + 69421854.

It is an arithmetic number, because the mean of its divisors is an integer number (138843704).

Almost surely, 2^416531109 is an apocalyptic number.

It is an amenable number.

416531109 is a deficient number, since it is larger than the sum of its proper divisors (138843707).

416531109 is a wasteful number, since it uses less digits than its factorization.

416531109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138843706.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 416531109 is about 20409.0937819395. The cubic root of 416531109 is about 746.8197838045.

The spelling of 416531109 in words is "four hundred sixteen million, five hundred thirty-one thousand, one hundred nine".