68421246202 has 8 divisors (see below), whose sum is σ = 103540116276. Its totient is φ = 33907874112.

The previous prime is 68421246169. The next prime is 68421246253. The reversal of 68421246202 is 20264212486.

It can be written as a sum of positive squares in 2 ways, for example, as 63231628681 + 5189617521 = 251459^2 + 72039^2 .

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

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, 151374213 + ... + 151374664.

Almost surely, 2^68421246202 is an apocalyptic number.

68421246202 is a deficient number, since it is larger than the sum of its proper divisors (35118870074).

68421246202 is a wasteful number, since it uses less digits than its factorization.

68421246202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302748992.

The product of its (nonzero) digits is 73728, while the sum is 37.

Adding to 68421246202 its reverse (20264212486), we get a palindrome (88685458688).

The spelling of 68421246202 in words is "sixty-eight billion, four hundred twenty-one million, two hundred forty-six thousand, two hundred two".