68453728497254 has 32 divisors (see below), whose sum is σ = 110602633144320. Its totient is φ = 31682256724800.

The previous prime is 68453728497131. The next prime is 68453728497299. The reversal of 68453728497254 is 45279482735486.

It is a congruent 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, 136018817 + ... + 136521155.

It is an arithmetic number, because the mean of its divisors is an integer number (3456332285760).

Almost surely, 2^{68453728497254} is an apocalyptic number.

68453728497254 is a deficient number, since it is larger than the sum of its proper divisors (42148904647066).

68453728497254 is a wasteful number, since it uses less digits than its factorization.

68453728497254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597956.

The product of its digits is 3251404800, while the sum is 74.

The spelling of 68453728497254 in words is "sixty-eight trillion, four hundred fifty-three billion, seven hundred twenty-eight million, four hundred ninety-seven thousand, two hundred fifty-four".