69427764460073 has 2 divisors, whose sum is σ = 69427764460074. Its totient is φ = 69427764460072.

The previous prime is 69427764460063. The next prime is 69427764460181. The reversal of 69427764460073 is 37006446772496.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47679466921024 + 21748297539049 = 6905032^2 + 4663507^2 .

It is a cyclic number.

It is not a de Polignac number, because 69427764460073 - 2²⁶ = 69427697351209 is a prime.

It is a super-2 number, since 2×69427764460073² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 69427764459991 and 69427764460009.

It is not a weakly prime, because it can be changed into another prime (69427764460003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34713882230036 + 34713882230037.

It is an arithmetic number, because the mean of its divisors is an integer number (34713882230037).

Almost surely, 2^{69427764460073} is an apocalyptic number.

It is an amenable number.

69427764460073 is a deficient number, since it is larger than the sum of its proper divisors (1).

69427764460073 is an equidigital number, since it uses as much as digits as its factorization.

69427764460073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256048128, while the sum is 65.

The spelling of 69427764460073 in words is "sixty-nine trillion, four hundred twenty-seven billion, seven hundred sixty-four million, four hundred sixty thousand, seventy-three".