2013072997786 has 4 divisors (see below), whose sum is σ = 3019609496682. Its totient is φ = 1006536498892.

The previous prime is 2013072997777. The next prime is 2013072997891. The reversal of 2013072997786 is 6877992703102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1076678092161 + 936394905625 = 1037631^2 + 967675^2 .

It is a super-2 number, since 2×2013072997786² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 503268249445 + ... + 503268249448.

Almost surely, 2^{2013072997786} is an apocalyptic number.

2013072997786 is a deficient number, since it is larger than the sum of its proper divisors (1006536498896).

2013072997786 is a wasteful number, since it uses less digits than its factorization.

2013072997786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006536498895.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 2013072997786 in words is "two trillion, thirteen billion, seventy-two million, nine hundred ninety-seven thousand, seven hundred eighty-six".