68493478298 has 32 divisors (see below), whose sum is σ = 119161615104. Its totient is φ = 28919210112.

The previous prime is 68493478283. The next prime is 68493478357. The reversal of 68493478298 is 89287439486.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 868736 + ... + 944292.

It is an arithmetic number, because the mean of its divisors is an integer number (3723800472).

Almost surely, 2^68493478298 is an apocalyptic number.

68493478298 is a deficient number, since it is larger than the sum of its proper divisors (50668136806).

68493478298 is a wasteful number, since it uses less digits than its factorization.

68493478298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76526.

The product of its digits is 167215104, while the sum is 68.

The spelling of 68493478298 in words is "sixty-eight billion, four hundred ninety-three million, four hundred seventy-eight thousand, two hundred ninety-eight".