68045253297 has 32 divisors (see below), whose sum is σ = 104616859392. Its totient is φ = 38535619584.

The previous prime is 68045253277. The next prime is 68045253313. The reversal of 68045253297 is 79235254086.

It is a happy number.

It is not a de Polignac number, because 68045253297 - 2⁷ = 68045253169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68045253277) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1755943 + ... + 1794275.

It is an arithmetic number, because the mean of its divisors is an integer number (3269276856).

Almost surely, 2^68045253297 is an apocalyptic number.

It is an amenable number.

68045253297 is a deficient number, since it is larger than the sum of its proper divisors (36571606095).

68045253297 is a wasteful number, since it uses less digits than its factorization.

68045253297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39097.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 68045253297 in words is "sixty-eight billion, forty-five million, two hundred fifty-three thousand, two hundred ninety-seven".