68464883251 has 8 divisors (see below), whose sum is σ = 70737537024. Its totient is φ = 66196236360.

The previous prime is 68464883237. The next prime is 68464883257. The reversal of 68464883251 is 15238846486.

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

It is a cyclic number.

It is not a de Polignac number, because 68464883251 - 2²³ = 68456494643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68464883192 and 68464883201.

It is not an unprimeable number, because it can be changed into a prime (68464883257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966961 + ... + 1035346.

It is an arithmetic number, because the mean of its divisors is an integer number (8842192128).

Almost surely, 2^68464883251 is an apocalyptic number.

68464883251 is a deficient number, since it is larger than the sum of its proper divisors (2272653773).

68464883251 is a wasteful number, since it uses less digits than its factorization.

68464883251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2003441.

The product of its digits is 8847360, while the sum is 55.

The spelling of 68464883251 in words is "sixty-eight billion, four hundred sixty-four million, eight hundred eighty-three thousand, two hundred fifty-one".