8409132654 has 128 divisors (see below), whose sum is σ = 19643057280. Its totient is φ = 2376843264.

The previous prime is 8409132647. The next prime is 8409132691. The reversal of 8409132654 is 4562319048.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10550584 + ... + 10551380.

It is an arithmetic number, because the mean of its divisors is an integer number (153461385).

Almost surely, 2^8409132654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8409132654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9821528640).

8409132654 is an abundant number, since it is smaller than the sum of its proper divisors (11233924626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8409132654 is a wasteful number, since it uses less digits than its factorization.

8409132654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 8409132654 is about 91701.3230766056. The cubic root of 8409132654 is about 2033.5291449217.

The spelling of 8409132654 in words is "eight billion, four hundred nine million, one hundred thirty-two thousand, six hundred fifty-four".