64041109 has 4 divisors (see below), whose sum is σ = 69863040. Its totient is φ = 58219180.

The previous prime is 64041101. The next prime is 64041127. The reversal of 64041109 is 90114046.

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 a cyclic number.

It is not a de Polignac number, because 64041109 - 2³ = 64041101 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 (64041101) 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, 2910949 + ... + 2910970.

It is an arithmetic number, because the mean of its divisors is an integer number (17465760).

Almost surely, 2^64041109 is an apocalyptic number.

It is an amenable number.

64041109 is a deficient number, since it is larger than the sum of its proper divisors (5821931).

64041109 is a wasteful number, since it uses less digits than its factorization.

64041109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5821930.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 64041109 is about 8002.5689000470. The cubic root of 64041109 is about 400.0856254194.

The spelling of 64041109 in words is "sixty-four million, forty-one thousand, one hundred nine".