68027498297451 has 36 divisors (see below), whose sum is σ = 123436489119216. Its totient is φ = 35338960150560.

The previous prime is 68027498297387. The next prime is 68027498297483. The reversal of 68027498297451 is 15479289472086.

It is a happy number.

68027498297451 is a `hidden beast` number, since 6 + 8 + 0 + 2 + 7 + 4 + 9 + 82 + 97 + 451 = 666.

It is not a de Polignac number, because 68027498297451 - 2⁶ = 68027498297387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68027498297451.

It is not an unprimeable number, because it can be changed into a prime (68027498292451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4461982296 + ... + 4461997541.

Almost surely, 2^{68027498297451} is an apocalyptic number.

68027498297451 is a deficient number, since it is larger than the sum of its proper divisors (55408990821765).

68027498297451 is a wasteful number, since it uses less digits than its factorization.

68027498297451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8923979872 (or 8923979858 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 72.

The spelling of 68027498297451 in words is "sixty-eight trillion, twenty-seven billion, four hundred ninety-eight million, two hundred ninety-seven thousand, four hundred fifty-one".