18738052540653 has 8 divisors (see below), whose sum is σ = 25790007798016. Its totient is φ = 12089066155200.

The previous prime is 18738052540573. The next prime is 18738052540717. The reversal of 18738052540653 is 35604525083781.

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

It is not a de Polignac number, because 18738052540653 - 2¹⁶ = 18738052475117 is a prime.

It is a super-2 number, since 2×18738052540653² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18738052540593 and 18738052540602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18738052540253) 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 7 ways as a sum of consecutive naturals, for example, 100742217868 + ... + 100742218053.

It is an arithmetic number, because the mean of its divisors is an integer number (3223750974752).

Almost surely, 2^{18738052540653} is an apocalyptic number.

It is an amenable number.

18738052540653 is a deficient number, since it is larger than the sum of its proper divisors (7051955257363).

18738052540653 is a wasteful number, since it uses less digits than its factorization.

18738052540653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201484435955.

The product of its (nonzero) digits is 24192000, while the sum is 57.

The spelling of 18738052540653 in words is "eighteen trillion, seven hundred thirty-eight billion, fifty-two million, five hundred forty thousand, six hundred fifty-three".