42959629 has 4 divisors (see below), whose sum is σ = 45486684. Its totient is φ = 40432576.

The previous prime is 42959621. The next prime is 42959669. The reversal of 42959629 is 92695924.

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 39816100 + 3143529 = 6310^2 + 1773^2 .

It is a cyclic number.

It is not a de Polignac number, because 42959629 - 2³ = 42959621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42959621) 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, 1263502 + ... + 1263535.

It is an arithmetic number, because the mean of its divisors is an integer number (11371671).

Almost surely, 2^42959629 is an apocalyptic number.

It is an amenable number.

42959629 is a deficient number, since it is larger than the sum of its proper divisors (2527055).

42959629 is a wasteful number, since it uses less digits than its factorization.

42959629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2527054.

The product of its digits is 349920, while the sum is 46.

The square root of 42959629 is about 6554.3595415571. The cubic root of 42959629 is about 350.2301316441.

It can be divided in two parts, 4295 and 9629, that added together give a square (13924 = 118²).

The spelling of 42959629 in words is "forty-two million, nine hundred fifty-nine thousand, six hundred twenty-nine".