42651423361 has 4 divisors (see below), whose sum is σ = 43456167252. Its totient is φ = 41846679472.

The previous prime is 42651423343. The next prime is 42651423407. The reversal of 42651423361 is 16332415624.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33686931600 + 8964491761 = 183540^2 + 94681^2 .

It is a cyclic number.

It is not a de Polignac number, because 42651423361 - 2¹¹ = 42651421313 is a prime.

It is a super-3 number, since 3×42651423361³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42651423361.

It is not an unprimeable number, because it can be changed into a prime (42651427361) 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, 402371866 + ... + 402371971.

It is an arithmetic number, because the mean of its divisors is an integer number (10864041813).

Almost surely, 2^42651423361 is an apocalyptic number.

It is an amenable number.

42651423361 is a deficient number, since it is larger than the sum of its proper divisors (804743891).

42651423361 is an equidigital number, since it uses as much as digits as its factorization.

42651423361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804743890.

The product of its digits is 103680, while the sum is 37.

Adding to 42651423361 its reverse (16332415624), we get a palindrome (58983838985).

The spelling of 42651423361 in words is "forty-two billion, six hundred fifty-one million, four hundred twenty-three thousand, three hundred sixty-one".