12784751031653 has 4 divisors (see below), whose sum is σ = 12876727657920. Its totient is φ = 12692774405388.

The previous prime is 12784751031649. The next prime is 12784751031691. The reversal of 12784751031653 is 35613015748721.

12784751031653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12784751031653 - 2² = 12784751031649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12784751031595 and 12784751031604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12784751031643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45988312925 + ... + 45988313202.

It is an arithmetic number, because the mean of its divisors is an integer number (3219181914480).

Almost surely, 2^{12784751031653} is an apocalyptic number.

It is an amenable number.

12784751031653 is a deficient number, since it is larger than the sum of its proper divisors (91976626267).

12784751031653 is an equidigital number, since it uses as much as digits as its factorization.

12784751031653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91976626266.

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 12784751031653 in words is "twelve trillion, seven hundred eighty-four billion, seven hundred fifty-one million, thirty-one thousand, six hundred fifty-three".