42369899 has 32 divisors (see below), whose sum is σ = 54613440. Its totient is φ = 32256000.

The previous prime is 42369893. The next prime is 42369907. The reversal of 42369899 is 99896324.

It is a cyclic number.

It is not a de Polignac number, because 42369899 - 2⁴ = 42369883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42369893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70199 + ... + 70799.

It is an arithmetic number, because the mean of its divisors is an integer number (1706670).

Almost surely, 2^42369899 is an apocalyptic number.

42369899 is a deficient number, since it is larger than the sum of its proper divisors (12243541).

42369899 is a wasteful number, since it uses less digits than its factorization.

42369899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671.

The product of its digits is 839808, while the sum is 50.

The square root of 42369899 is about 6509.2164659043. The cubic root of 42369899 is about 348.6201426411.

The spelling of 42369899 in words is "forty-two million, three hundred sixty-nine thousand, eight hundred ninety-nine".