42346321636 has 12 divisors (see below), whose sum is σ = 74111229612. Its totient is φ = 21171684608.

The previous prime is 42346321631. The next prime is 42346321639. The reversal of 42346321636 is 63612364324.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13937219136 + 28409102500 = 118056^2 + 168550^2 .

It is not an unprimeable number, because it can be changed into a prime (42346321631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303205 + ... + 420268.

It is an arithmetic number, because the mean of its divisors is an integer number (6175935801).

Almost surely, 2^42346321636 is an apocalyptic number.

It is an amenable number.

42346321636 is a deficient number, since it is larger than the sum of its proper divisors (31764907976).

42346321636 is a wasteful number, since it uses less digits than its factorization.

42346321636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738110 (or 738108 counting only the distinct ones).

The product of its digits is 373248, while the sum is 40.

The spelling of 42346321636 in words is "forty-two billion, three hundred forty-six million, three hundred twenty-one thousand, six hundred thirty-six".