1553943147799 has 8 divisors (see below), whose sum is σ = 1792532550528. Its totient is φ = 1319503126200.

The previous prime is 1553943147791. The next prime is 1553943147847. The reversal of 1553943147799 is 9977413493551.

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

It is not a de Polignac number, because 1553943147799 - 2³ = 1553943147791 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 (1553943147791) 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 7 ways as a sum of consecutive naturals, for example, 1037344477 + ... + 1037345974.

It is an arithmetic number, because the mean of its divisors is an integer number (224066568816).

Almost surely, 2^{1553943147799} is an apocalyptic number.

1553943147799 is a deficient number, since it is larger than the sum of its proper divisors (238589402729).

1553943147799 is a wasteful number, since it uses less digits than its factorization.

1553943147799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074690565.

The product of its digits is 128595600, while the sum is 67.

The spelling of 1553943147799 in words is "one trillion, five hundred fifty-three billion, nine hundred forty-three million, one hundred forty-seven thousand, seven hundred ninety-nine".