63758722493 has 2 divisors, whose sum is σ = 63758722494. Its totient is φ = 63758722492.

The previous prime is 63758722483. The next prime is 63758722537. The reversal of 63758722493 is 39422785736.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34604184484 + 29154538009 = 186022^2 + 170747^2 .

It is a cyclic number.

It is not a de Polignac number, because 63758722493 - 2¹⁰ = 63758721469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63758722453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31879361246 + 31879361247.

It is an arithmetic number, because the mean of its divisors is an integer number (31879361247).

Almost surely, 2^63758722493 is an apocalyptic number.

It is an amenable number.

63758722493 is a deficient number, since it is larger than the sum of its proper divisors (1).

63758722493 is an equidigital number, since it uses as much as digits as its factorization.

63758722493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15240960, while the sum is 56.

The spelling of 63758722493 in words is "sixty-three billion, seven hundred fifty-eight million, seven hundred twenty-two thousand, four hundred ninety-three".