1391493454998 has 8 divisors (see below), whose sum is σ = 2782986910008. Its totient is φ = 463831151664.

The previous prime is 1391493454997. The next prime is 1391493455017. The reversal of 1391493454998 is 8994543941931.

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

1391493454998 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1391493454991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115957787911 + ... + 115957787922.

It is an arithmetic number, because the mean of its divisors is an integer number (347873363751).

Almost surely, 2^{1391493454998} is an apocalyptic number.

1391493454998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1391493454998 is a wasteful number, since it uses less digits than its factorization.

1391493454998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231915575838.

The product of its digits is 151165440, while the sum is 69.

The spelling of 1391493454998 in words is "one trillion, three hundred ninety-one billion, four hundred ninety-three million, four hundred fifty-four thousand, nine hundred ninety-eight".