2731520614064 has 80 divisors (see below), whose sum is σ = 5840990572320. Its totient is φ = 1227152762880.

The previous prime is 2731520614027. The next prime is 2731520614103. The reversal of 2731520614064 is 4604160251372.

It is a super-2 number, since 2×2731520614064² (a number of 26 digits) contains 22 as substring.

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, 5274302 + ... + 5768994.

It is an arithmetic number, because the mean of its divisors is an integer number (73012382154).

Almost surely, 2^{2731520614064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2731520614064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2920495286160).

2731520614064 is an abundant number, since it is smaller than the sum of its proper divisors (3109469958256).

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

2731520614064 is a wasteful number, since it uses less digits than its factorization.

2731520614064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495078 (or 495072 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 2731520614064 in words is "two trillion, seven hundred thirty-one billion, five hundred twenty million, six hundred fourteen thousand, sixty-four".