1047388195653 has 4 divisors (see below), whose sum is σ = 1396517594208. Its totient is φ = 698258797100.

The previous prime is 1047388195643. The next prime is 1047388195681. The reversal of 1047388195653 is 3565918837401.

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 1047388195653 - 2⁸ = 1047388195397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047388195643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 174564699273 + ... + 174564699278.

It is an arithmetic number, because the mean of its divisors is an integer number (349129398552).

Almost surely, 2^{1047388195653} is an apocalyptic number.

It is an amenable number.

1047388195653 is a deficient number, since it is larger than the sum of its proper divisors (349129398555).

1047388195653 is an equidigital number, since it uses as much as digits as its factorization.

1047388195653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349129398554.

The product of its (nonzero) digits is 21772800, while the sum is 60.

The spelling of 1047388195653 in words is "one trillion, forty-seven billion, three hundred eighty-eight million, one hundred ninety-five thousand, six hundred fifty-three".