68202670483921 has 4 divisors (see below), whose sum is σ = 68204986944112. Its totient is φ = 68200354023732.

The previous prime is 68202670483903. The next prime is 68202670483979. The reversal of 68202670483921 is 12938407620286.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68202670483921 - 2¹⁷ = 68202670352849 is a prime.

It is a super-2 number, since 2×68202670483921² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68202670483721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158185931 + ... + 1158244816.

It is an arithmetic number, because the mean of its divisors is an integer number (17051246736028).

Almost surely, 2^{68202670483921} is an apocalyptic number.

It is an amenable number.

68202670483921 is a deficient number, since it is larger than the sum of its proper divisors (2316460191).

68202670483921 is a wasteful number, since it uses less digits than its factorization.

68202670483921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316460190.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 68202670483921 in words is "sixty-eight trillion, two hundred two billion, six hundred seventy million, four hundred eighty-three thousand, nine hundred twenty-one".