42683629 has 4 divisors (see below), whose sum is σ = 42702076. Its totient is φ = 42665184.

The previous prime is 42683587. The next prime is 42683639. The reversal of 42683629 is 92638624.

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 25857225 + 16826404 = 5085^2 + 4102^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42683629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42683591 and 42683600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42683639) 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, 5154 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (10675519).

Almost surely, 2^42683629 is an apocalyptic number.

It is an amenable number.

42683629 is a deficient number, since it is larger than the sum of its proper divisors (18447).

42683629 is a wasteful number, since it uses less digits than its factorization.

42683629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18446.

The product of its digits is 124416, while the sum is 40.

The square root of 42683629 is about 6533.2709265727. The cubic root of 42683629 is about 349.4784858940.

The spelling of 42683629 in words is "forty-two million, six hundred eighty-three thousand, six hundred twenty-nine".