6401431402242 has 8 divisors (see below), whose sum is σ = 12802862804496. Its totient is φ = 2133810467412.

The previous prime is 6401431402187. The next prime is 6401431402253. The reversal of 6401431402242 is 2422041341046.

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

6401431402242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533452616848 + ... + 533452616859.

It is an arithmetic number, because the mean of its divisors is an integer number (1600357850562).

Almost surely, 2^{6401431402242} is an apocalyptic number.

6401431402242 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.

6401431402242 is a wasteful number, since it uses less digits than its factorization.

6401431402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066905233712.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 6401431402242 its reverse (2422041341046), we get a palindrome (8823472743288).

The spelling of 6401431402242 in words is "six trillion, four hundred one billion, four hundred thirty-one million, four hundred two thousand, two hundred forty-two".