42899413 has 4 divisors (see below), whose sum is σ = 42940908. Its totient is φ = 42857920.

The previous prime is 42899411. The next prime is 42899453. The reversal of 42899413 is 31499824.

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 16459249 + 26440164 = 4057^2 + 5142^2 .

It is a cyclic number.

It is not a de Polignac number, because 42899413 - 2¹ = 42899411 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 (42899411) 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, 19156 + ... + 21277.

It is an arithmetic number, because the mean of its divisors is an integer number (10735227).

Almost surely, 2^42899413 is an apocalyptic number.

It is an amenable number.

42899413 is a deficient number, since it is larger than the sum of its proper divisors (41495).

42899413 is a wasteful number, since it uses less digits than its factorization.

42899413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41494.

The product of its digits is 62208, while the sum is 40.

The square root of 42899413 is about 6549.7643469059. The cubic root of 42899413 is about 350.0664173276.

The spelling of 42899413 in words is "forty-two million, eight hundred ninety-nine thousand, four hundred thirteen".