394142241493 has 16 divisors (see below), whose sum is σ = 529197975936. Its totient is φ = 283498914240.

The previous prime is 394142241433. The next prime is 394142241527.

394142241493 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 394142241493 - 2¹⁷ = 394142110421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394142241403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196873246 + ... + 196875247.

It is an arithmetic number, because the mean of its divisors is an integer number (33074873496).

Almost surely, 2^394142241493 is an apocalyptic number.

It is an amenable number.

394142241493 is a deficient number, since it is larger than the sum of its proper divisors (135055734443).

394142241493 is a wasteful number, since it uses less digits than its factorization.

394142241493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393748524.

The product of its digits is 746496, while the sum is 46.

The spelling of 394142241493 in words is "three hundred ninety-four billion, one hundred forty-two million, two hundred forty-one thousand, four hundred ninety-three".