245686588579842 has 16 divisors (see below), whose sum is σ = 491446637125920. Its totient is φ = 81883286198912.

The previous prime is 245686588579807. The next prime is 245686588579843. The reversal of 245686588579842 is 248975885686542.

It is not an unprimeable number, because it can be changed into a prime (245686588579843) 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, 3060788448 + ... + 3060868715.

It is an arithmetic number, because the mean of its divisors is an integer number (30715414820370).

Almost surely, 2^{245686588579842} is an apocalyptic number.

245686588579842 is an abundant number, since it is smaller than the sum of its proper divisors (245760048546078).

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

245686588579842 is a wasteful number, since it uses less digits than its factorization.

245686588579842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6121663857.

The product of its digits is 74317824000, while the sum is 87.

The spelling of 245686588579842 in words is "two hundred forty-five trillion, six hundred eighty-six billion, five hundred eighty-eight million, five hundred seventy-nine thousand, eight hundred forty-two".