2731640786130 has 64 divisors (see below), whose sum is σ = 6793318287360. Its totient is φ = 702490815936.

The previous prime is 2731640786117. The next prime is 2731640786131. The reversal of 2731640786130 is 316870461372.

It is a super-2 number, since 2×2731640786130² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2731640786130.

It is not an unprimeable number, because it can be changed into a prime (2731640786131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13300312 + ... + 13504131.

It is an arithmetic number, because the mean of its divisors is an integer number (106145598240).

Almost surely, 2^{2731640786130} is an apocalyptic number.

2731640786130 is an abundant number, since it is smaller than the sum of its proper divisors (4061677501230).

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

2731640786130 is a wasteful number, since it uses less digits than its factorization.

2731640786130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26804575.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 2731640786130 in words is "two trillion, seven hundred thirty-one billion, six hundred forty million, seven hundred eighty-six thousand, one hundred thirty".