63552066451 has 2 divisors, whose sum is σ = 63552066452. Its totient is φ = 63552066450.

The previous prime is 63552066449. The next prime is 63552066493. The reversal of 63552066451 is 15466025536.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63552066451 - 2¹ = 63552066449 is a prime.

Together with 63552066449, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 63552066398 and 63552066407.

It is not a weakly prime, because it can be changed into another prime (63552066421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31776033225 + 31776033226.

It is an arithmetic number, because the mean of its divisors is an integer number (31776033226).

Almost surely, 2^63552066451 is an apocalyptic number.

63552066451 is a deficient number, since it is larger than the sum of its proper divisors (1).

63552066451 is an equidigital number, since it uses as much as digits as its factorization.

63552066451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 63552066451 in words is "sixty-three billion, five hundred fifty-two million, sixty-six thousand, four hundred fifty-one".