1056652621653 has 4 divisors (see below), whose sum is σ = 1408870162208. Its totient is φ = 704435081100.

The previous prime is 1056652621637. The next prime is 1056652621679. The reversal of 1056652621653 is 3561262566501.

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 not a de Polignac number, because 1056652621653 - 2⁴ = 1056652621637 is a prime.

It is a super-2 number, since 2×1056652621653² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056652621693) 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, 176108770273 + ... + 176108770278.

It is an arithmetic number, because the mean of its divisors is an integer number (352217540552).

Almost surely, 2^{1056652621653} is an apocalyptic number.

It is an amenable number.

1056652621653 is a deficient number, since it is larger than the sum of its proper divisors (352217540555).

1056652621653 is an equidigital number, since it uses as much as digits as its factorization.

1056652621653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352217540554.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 1056652621653 in words is "one trillion, fifty-six billion, six hundred fifty-two million, six hundred twenty-one thousand, six hundred fifty-three".