42650929 has 4 divisors (see below), whose sum is σ = 42755620. Its totient is φ = 42546240.

The previous prime is 42650921. The next prime is 42650939. The reversal of 42650929 is 92905624.

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 29160000 + 13490929 = 5400^2 + 3673^2 .

It is a cyclic number.

It is not a de Polignac number, because 42650929 - 2³ = 42650921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42650921) 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, 51732 + ... + 52549.

It is an arithmetic number, because the mean of its divisors is an integer number (10688905).

Almost surely, 2^42650929 is an apocalyptic number.

It is an amenable number.

42650929 is a deficient number, since it is larger than the sum of its proper divisors (104691).

42650929 is a wasteful number, since it uses less digits than its factorization.

42650929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104690.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 42650929 is about 6530.7678721571. The cubic root of 42650929 is about 349.3892177419.

The spelling of 42650929 in words is "forty-two million, six hundred fifty thousand, nine hundred twenty-nine".