38452842897 has 64 divisors (see below), whose sum is σ = 62148280320. Its totient is φ = 20682662400.

The previous prime is 38452842887. The next prime is 38452842931. The reversal of 38452842897 is 79824825483.

It is not a de Polignac number, because 38452842897 - 2⁴ = 38452842881 is a prime.

It is a super-2 number, since 2×38452842897² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38452842897.

It is not an unprimeable number, because it can be changed into a prime (38452842847) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9580063 + ... + 9584075.

It is an arithmetic number, because the mean of its divisors is an integer number (971066880).

Almost surely, 2^38452842897 is an apocalyptic number.

It is an amenable number.

38452842897 is a deficient number, since it is larger than the sum of its proper divisors (23695437423).

38452842897 is a wasteful number, since it uses less digits than its factorization.

38452842897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454.

The product of its digits is 30965760, while the sum is 60.

The spelling of 38452842897 in words is "thirty-eight billion, four hundred fifty-two million, eight hundred forty-two thousand, eight hundred ninety-seven".