842354240253 has 16 divisors (see below), whose sum is σ = 1128903785856. Its totient is φ = 558687416000.

The previous prime is 842354240219. The next prime is 842354240257. The reversal of 842354240253 is 352042453248.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 842354240253 - 2⁸ = 842354239997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842354240257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15635200 + ... + 15688982.

It is an arithmetic number, because the mean of its divisors is an integer number (70556486616).

Almost surely, 2^842354240253 is an apocalyptic number.

It is an amenable number.

842354240253 is a deficient number, since it is larger than the sum of its proper divisors (286549545603).

842354240253 is a wasteful number, since it uses less digits than its factorization.

842354240253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80484.

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 842354240253 in words is "eight hundred forty-two billion, three hundred fifty-four million, two hundred forty thousand, two hundred fifty-three".