63076803173 has 2 divisors, whose sum is σ = 63076803174. Its totient is φ = 63076803172.

The previous prime is 63076803121. The next prime is 63076803217. The reversal of 63076803173 is 37130867036.

It is a happy number.

It is an a-pointer prime, because the next prime (63076803217) can be obtained adding 63076803173 to its sum of digits (44).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46354951204 + 16721851969 = 215302^2 + 129313^2 .

It is a cyclic number.

It is not a de Polignac number, because 63076803173 - 2¹² = 63076799077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63076803113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31538401586 + 31538401587.

It is an arithmetic number, because the mean of its divisors is an integer number (31538401587).

Almost surely, 2^63076803173 is an apocalyptic number.

It is an amenable number.

63076803173 is a deficient number, since it is larger than the sum of its proper divisors (1).

63076803173 is an equidigital number, since it uses as much as digits as its factorization.

63076803173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 63076803173 in words is "sixty-three billion, seventy-six million, eight hundred three thousand, one hundred seventy-three".