42388829409 has 8 divisors (see below), whose sum is σ = 58975762752. Its totient is φ = 27030557840.

The previous prime is 42388829381. The next prime is 42388829467. The reversal of 42388829409 is 90492888324.

42388829409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42388829409 - 2¹² = 42388825313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42388829479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307165362 + ... + 307165499.

It is an arithmetic number, because the mean of its divisors is an integer number (7371970344).

Almost surely, 2^42388829409 is an apocalyptic number.

It is an amenable number.

42388829409 is a deficient number, since it is larger than the sum of its proper divisors (16586933343).

42388829409 is a wasteful number, since it uses less digits than its factorization.

42388829409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614330887.

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 42388829409 in words is "forty-two billion, three hundred eighty-eight million, eight hundred twenty-nine thousand, four hundred nine".