42735322353725 has 12 divisors (see below), whose sum is σ = 53117670989940. Its totient is φ = 34107050611200.

The previous prime is 42735322353637. The next prime is 42735322353727. The reversal of 42735322353725 is 52735322353724.

It can be written as a sum of positive squares in 6 ways, for example, as 21970650045796 + 20764672307929 = 4687286^2 + 4556827^2 .

It is a de Polignac number, because none of the positive numbers 2^k-42735322353725 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42735322353727) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2030171060 + ... + 2030192109.

It is an arithmetic number, because the mean of its divisors is an integer number (4426472582495).

Almost surely, 2^{42735322353725} is an apocalyptic number.

It is an amenable number.

42735322353725 is a deficient number, since it is larger than the sum of its proper divisors (10382348636215).

42735322353725 is a wasteful number, since it uses less digits than its factorization.

42735322353725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060363600 (or 4060363595 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 53.

Subtracting 42735322353725 from its reverse (52735322353724), we obtain a palindrome (9999999999999).

The spelling of 42735322353725 in words is "forty-two trillion, seven hundred thirty-five billion, three hundred twenty-two million, three hundred fifty-three thousand, seven hundred twenty-five".