1538630847093 has 8 divisors (see below), whose sum is σ = 2106953952928. Its totient is φ = 998030819664.

The previous prime is 1538630847041. The next prime is 1538630847121. The reversal of 1538630847093 is 3907480368351.

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

It is not a de Polignac number, because 1538630847093 - 2¹² = 1538630842997 is a prime.

It is a super-2 number, since 2×1538630847093² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538630847493) 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, 6930769471 + ... + 6930769692.

It is an arithmetic number, because the mean of its divisors is an integer number (263369244116).

Almost surely, 2^{1538630847093} is an apocalyptic number.

It is an amenable number.

1538630847093 is a deficient number, since it is larger than the sum of its proper divisors (568323105835).

1538630847093 is a wasteful number, since it uses less digits than its factorization.

1538630847093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13861539203.

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 1538630847093 in words is "one trillion, five hundred thirty-eight billion, six hundred thirty million, eight hundred forty-seven thousand, ninety-three".