1038401815493 has 8 divisors (see below), whose sum is σ = 1203459649920. Its totient is φ = 877522660560.

The previous prime is 1038401815463. The next prime is 1038401815511. The reversal of 1038401815493 is 3945181048301.

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

It is not a de Polignac number, because 1038401815493 - 2⁸ = 1038401815237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1038401815433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1044669338 + ... + 1044670331.

It is an arithmetic number, because the mean of its divisors is an integer number (150432456240).

Almost surely, 2^{1038401815493} is an apocalyptic number.

It is an amenable number.

1038401815493 is a deficient number, since it is larger than the sum of its proper divisors (165057834427).

1038401815493 is an equidigital number, since it uses as much as digits as its factorization.

1038401815493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089339747.

The product of its (nonzero) digits is 414720, while the sum is 47.

The spelling of 1038401815493 in words is "one trillion, thirty-eight billion, four hundred one million, eight hundred fifteen thousand, four hundred ninety-three".