64073809427 has 8 divisors (see below), whose sum is σ = 66172334400. Its totient is φ = 62005920064.

The previous prime is 64073809411. The next prime is 64073809433. The reversal of 64073809427 is 72490837046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 64073809427 - 2⁴ = 64073809411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64073809447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7654652 + ... + 7663017.

It is an arithmetic number, because the mean of its divisors is an integer number (8271541800).

Almost surely, 2^64073809427 is an apocalyptic number.

64073809427 is a deficient number, since it is larger than the sum of its proper divisors (2098524973).

64073809427 is a wasteful number, since it uses less digits than its factorization.

64073809427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15317805.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 64073809427 in words is "sixty-four billion, seventy-three million, eight hundred nine thousand, four hundred twenty-seven".