68434438202 has 8 divisors (see below), whose sum is σ = 110547938676. Its totient is φ = 31585125312.

The previous prime is 68434438187. The next prime is 68434438231. The reversal of 68434438202 is 20283443486.

It can be written as a sum of positive squares in 2 ways, for example, as 68408925601 + 25512601 = 261551^2 + 5051^2 .

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

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, 1316046863 + ... + 1316046914.

Almost surely, 2^68434438202 is an apocalyptic number.

68434438202 is a deficient number, since it is larger than the sum of its proper divisors (42113500474).

68434438202 is a wasteful number, since it uses less digits than its factorization.

68434438202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632093792.

The product of its (nonzero) digits is 884736, while the sum is 44.

The spelling of 68434438202 in words is "sixty-eight billion, four hundred thirty-four million, four hundred thirty-eight thousand, two hundred two".