68530367451 has 64 divisors (see below), whose sum is σ = 116612536320. Its totient is φ = 34819061760.

The previous prime is 68530367431. The next prime is 68530367483. The reversal of 68530367451 is 15476303586.

It is not a de Polignac number, because 68530367451 - 2⁹ = 68530366939 is a prime.

It is a super-2 number, since 2×68530367451² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68530367451.

It is not an unprimeable number, because it can be changed into a prime (68530367431) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3418066 + ... + 3438056.

It is an arithmetic number, because the mean of its divisors is an integer number (1822070880).

Almost surely, 2^68530367451 is an apocalyptic number.

68530367451 is a deficient number, since it is larger than the sum of its proper divisors (48082168869).

68530367451 is a wasteful number, since it uses less digits than its factorization.

68530367451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476.

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 68530367451 in words is "sixty-eight billion, five hundred thirty million, three hundred sixty-seven thousand, four hundred fifty-one".