1538789416573 has 8 divisors (see below), whose sum is σ = 1565134376960. Its totient is φ = 1512666776880.

The previous prime is 1538789416553. The next prime is 1538789416583. The reversal of 1538789416573 is 3756149878351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1538789416573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1538789416499 and 1538789416508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538789416553) 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, 55566213 + ... + 55593898.

It is an arithmetic number, because the mean of its divisors is an integer number (195641797120).

Almost surely, 2^{1538789416573} is an apocalyptic number.

It is an amenable number.

1538789416573 is a deficient number, since it is larger than the sum of its proper divisors (26344960387).

1538789416573 is a wasteful number, since it uses less digits than its factorization.

1538789416573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111160347.

The product of its digits is 152409600, while the sum is 67.

The spelling of 1538789416573 in words is "one trillion, five hundred thirty-eight billion, seven hundred eighty-nine million, four hundred sixteen thousand, five hundred seventy-three".