42861503653 has 4 divisors (see below), whose sum is σ = 42861949740. Its totient is φ = 42861057568.

The previous prime is 42861503627. The next prime is 42861503677. The reversal of 42861503653 is 35630516824.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11274617124 + 31586886529 = 106182^2 + 177727^2 .

It is a cyclic number.

It is not a de Polignac number, because 42861503653 - 2⁵ = 42861503621 is a prime.

It is a super-2 number, since 2×42861503653² (a number of 22 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 (42861503603) 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, 12958 + ... + 293071.

It is an arithmetic number, because the mean of its divisors is an integer number (10715487435).

Almost surely, 2^42861503653 is an apocalyptic number.

It is an amenable number.

42861503653 is a deficient number, since it is larger than the sum of its proper divisors (446087).

42861503653 is a wasteful number, since it uses less digits than its factorization.

42861503653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446086.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 42861503653 in words is "forty-two billion, eight hundred sixty-one million, five hundred three thousand, six hundred fifty-three".