63141609 has 4 divisors (see below), whose sum is σ = 84188816. Its totient is φ = 42094404.

The previous prime is 63141593. The next prime is 63141643. The reversal of 63141609 is 90614136.

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 63141609 - 2⁴ = 63141593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63141109) 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, 10523599 + ... + 10523604.

It is an arithmetic number, because the mean of its divisors is an integer number (21047204).

Almost surely, 2^63141609 is an apocalyptic number.

It is an amenable number.

63141609 is a deficient number, since it is larger than the sum of its proper divisors (21047207).

63141609 is a wasteful number, since it uses less digits than its factorization.

63141609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21047206.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 63141609 is about 7946.1694545234. The cubic root of 63141609 is about 398.2036301315.

The spelling of 63141609 in words is "sixty-three million, one hundred forty-one thousand, six hundred nine".