63715360982401 has 2 divisors, whose sum is σ = 63715360982402. Its totient is φ = 63715360982400.

The previous prime is 63715360982353. The next prime is 63715360982407. The reversal of 63715360982401 is 10428906351736.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49463074934001 + 14252286048400 = 7032999^2 + 3775220^2 .

It is a cyclic number.

It is not a de Polignac number, because 63715360982401 - 2¹⁵ = 63715360949633 is a prime.

It is not a weakly prime, because it can be changed into another prime (63715360982407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31857680491200 + 31857680491201.

It is an arithmetic number, because the mean of its divisors is an integer number (31857680491201).

It is a 1-persistent number, because it is pandigital, but 2⋅63715360982401 = 127430721964802 is not.

Almost surely, 2^{63715360982401} is an apocalyptic number.

It is an amenable number.

63715360982401 is a deficient number, since it is larger than the sum of its proper divisors (1).

63715360982401 is an equidigital number, since it uses as much as digits as its factorization.

63715360982401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 63715360982401 in words is "sixty-three trillion, seven hundred fifteen billion, three hundred sixty million, nine hundred eighty-two thousand, four hundred one".