561620652442653 has 8 divisors (see below), whose sum is σ = 749506437353088. Its totient is φ = 374074317913664.

The previous prime is 561620652442627. The next prime is 561620652442669. The reversal of 561620652442653 is 356244256026165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561620652442653 - 2⁴¹ = 559421629187101 is a prime.

It is a super-2 number, since 2×561620652442653² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561620652442593 and 561620652442602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561620652442753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84862591500 + ... + 84862598117.

It is an arithmetic number, because the mean of its divisors is an integer number (93688304669136).

Almost surely, 2^{561620652442653} is an apocalyptic number.

It is an amenable number.

561620652442653 is a deficient number, since it is larger than the sum of its proper divisors (187885784910435).

561620652442653 is a wasteful number, since it uses less digits than its factorization.

561620652442653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169725190723.

The product of its (nonzero) digits is 62208000, while the sum is 57.

The spelling of 561620652442653 in words is "five hundred sixty-one trillion, six hundred twenty billion, six hundred fifty-two million, four hundred forty-two thousand, six hundred fifty-three".