68719458053 has 2 divisors, whose sum is σ = 68719458054. Its totient is φ = 68719458052.

The previous prime is 68719458011. The next prime is 68719458109. The reversal of 68719458053 is 35085491786.

It is an a-pointer prime, because the next prime (68719458109) can be obtained adding 68719458053 to its sum of digits (56).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42455366209 + 26264091844 = 206047^2 + 162062^2 .

It is a cyclic number.

It is not a de Polignac number, because 68719458053 - 2¹⁴ = 68719441669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68719458053.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68719458553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34359729026 + 34359729027.

It is an arithmetic number, because the mean of its divisors is an integer number (34359729027).

Almost surely, 2^68719458053 is an apocalyptic number.

It is an amenable number.

68719458053 is a deficient number, since it is larger than the sum of its proper divisors (1).

68719458053 is an equidigital number, since it uses as much as digits as its factorization.

68719458053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7257600, while the sum is 56.

The spelling of 68719458053 in words is "sixty-eight billion, seven hundred nineteen million, four hundred fifty-eight thousand, fifty-three".