38509497142 has 8 divisors (see below), whose sum is σ = 57780765000. Its totient is φ = 19249242144.

The previous prime is 38509497109. The next prime is 38509497203. The reversal of 38509497142 is 24179490583.

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

It is a self number, because there is not a number n which added to its sum of digits gives 38509497142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744467 + ... + 2758462.

It is an arithmetic number, because the mean of its divisors is an integer number (7222595625).

Almost surely, 2^38509497142 is an apocalyptic number.

38509497142 is a deficient number, since it is larger than the sum of its proper divisors (19271267858).

38509497142 is a wasteful number, since it uses less digits than its factorization.

38509497142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5506430.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The spelling of 38509497142 in words is "thirty-eight billion, five hundred nine million, four hundred ninety-seven thousand, one hundred forty-two".