42950429 has 4 divisors (see below), whose sum is σ = 42993120. Its totient is φ = 42907740.

The previous prime is 42950399. The next prime is 42950447. The reversal of 42950429 is 92405924.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42950429 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 (42950489) 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, 19799 + ... + 21860.

It is an arithmetic number, because the mean of its divisors is an integer number (10748280).

Almost surely, 2^42950429 is an apocalyptic number.

It is an amenable number.

42950429 is a deficient number, since it is larger than the sum of its proper divisors (42691).

42950429 is a wasteful number, since it uses less digits than its factorization.

42950429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42690.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 42950429 is about 6553.6576810206. The cubic root of 42950429 is about 350.2051287338.

The spelling of 42950429 in words is "forty-two million, nine hundred fifty thousand, four hundred twenty-nine".