993419081131 has 4 divisors (see below), whose sum is σ = 993421082664. Its totient is φ = 993417079600.

The previous prime is 993419081069. The next prime is 993419081159. The reversal of 993419081131 is 131180914399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131180914399 = 17837 ⋅7354427.

It is a cyclic number.

It is not a de Polignac number, because 993419081131 - 2²⁹ = 992882210219 is a prime.

It is a super-2 number, since 2×993419081131² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993419088131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365271 + ... + 1456111.

It is an arithmetic number, because the mean of its divisors is an integer number (248355270666).

Almost surely, 2^993419081131 is an apocalyptic number.

993419081131 is a deficient number, since it is larger than the sum of its proper divisors (2001533).

993419081131 is a wasteful number, since it uses less digits than its factorization.

993419081131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001532.

The product of its (nonzero) digits is 209952, while the sum is 49.

The spelling of 993419081131 in words is "nine hundred ninety-three billion, four hundred nineteen million, eighty-one thousand, one hundred thirty-one".