253421667706 has 8 divisors (see below), whose sum is σ = 380424690324. Its totient is φ = 126613437600.

The previous prime is 253421667689. The next prime is 253421667743. The reversal of 253421667706 is 607766124352.

253421667706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 237661125025 + 15760542681 = 487505^2 + 125541^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 253421667706.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 48694875 + ... + 48700078.

Almost surely, 2^253421667706 is an apocalyptic number.

253421667706 is a deficient number, since it is larger than the sum of its proper divisors (127003022618).

253421667706 is a wasteful number, since it uses less digits than its factorization.

253421667706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97396256.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The spelling of 253421667706 in words is "two hundred fifty-three billion, four hundred twenty-one million, six hundred sixty-seven thousand, seven hundred six".