2731520604065 has 16 divisors (see below), whose sum is σ = 3643276885056. Its totient is φ = 1949078164800.

The previous prime is 2731520604031. The next prime is 2731520604073. The reversal of 2731520604065 is 5604060251372.

It is not a de Polignac number, because 2731520604065 - 2²⁸ = 2731252168609 is a prime.

It is a super-2 number, since 2×2731520604065² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 468525491 + ... + 468531320.

It is an arithmetic number, because the mean of its divisors is an integer number (227704805316).

Almost surely, 2^{2731520604065} is an apocalyptic number.

It is an amenable number.

2731520604065 is a deficient number, since it is larger than the sum of its proper divisors (911756280991).

2731520604065 is a wasteful number, since it uses less digits than its factorization.

2731520604065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937056880.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 2731520604065 in words is "two trillion, seven hundred thirty-one billion, five hundred twenty million, six hundred four thousand, sixty-five".