245605641329 has 8 divisors (see below), whose sum is σ = 249719945472. Its totient is φ = 241494175440.

The previous prime is 245605641317. The next prime is 245605641349. The reversal of 245605641329 is 923146506542.

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 245605641329 - 2²⁸ = 245337205873 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245605641349) 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, 534689 + ... + 881534.

It is an arithmetic number, because the mean of its divisors is an integer number (31214993184).

Almost surely, 2^245605641329 is an apocalyptic number.

It is an amenable number.

245605641329 is a deficient number, since it is larger than the sum of its proper divisors (4114304143).

245605641329 is a wasteful number, since it uses less digits than its factorization.

245605641329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419127.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 245605641329 in words is "two hundred forty-five billion, six hundred five million, six hundred forty-one thousand, three hundred twenty-nine".