7142928657865 has 32 divisors (see below), whose sum is σ = 11508606740736. Its totient is φ = 4110216687360.

The previous prime is 7142928657833. The next prime is 7142928657871. The reversal of 7142928657865 is 5687568292417.

It is not a de Polignac number, because 7142928657865 - 2⁵ = 7142928657833 is a prime.

It is a super-2 number, since 2×7142928657865² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7142928657794 and 7142928657803.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 713574282 + ... + 713584291.

It is an arithmetic number, because the mean of its divisors is an integer number (359643960648).

Almost surely, 2^{7142928657865} is an apocalyptic number.

It is an amenable number.

7142928657865 is a deficient number, since it is larger than the sum of its proper divisors (4365678082871).

7142928657865 is a wasteful number, since it uses less digits than its factorization.

7142928657865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1427158609.

The product of its digits is 406425600, while the sum is 70.

The spelling of 7142928657865 in words is "seven trillion, one hundred forty-two billion, nine hundred twenty-eight million, six hundred fifty-seven thousand, eight hundred sixty-five".