68470611490 has 32 divisors (see below), whose sum is σ = 125624592576. Its totient is φ = 26860342080.

The previous prime is 68470611481. The next prime is 68470611491. The reversal of 68470611490 is 9411607486.

It is a self number, because there is not a number n which added to its sum of digits gives 68470611490.

It is not an unprimeable number, because it can be changed into a prime (68470611491) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1315909 + ... + 1366951.

It is an arithmetic number, because the mean of its divisors is an integer number (3925768518).

Almost surely, 2^68470611490 is an apocalyptic number.

68470611490 is a deficient number, since it is larger than the sum of its proper divisors (57153981086).

68470611490 is a wasteful number, since it uses less digits than its factorization.

68470611490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53634.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 68470611490 in words is "sixty-eight billion, four hundred seventy million, six hundred eleven thousand, four hundred ninety".