63525012462449 has 2 divisors, whose sum is σ = 63525012462450. Its totient is φ = 63525012462448.

The previous prime is 63525012462413. The next prime is 63525012462479. The reversal of 63525012462449 is 94426421052536.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61416688134400 + 2108324328049 = 7836880^2 + 1452007^2 .

It is a cyclic number.

It is not a de Polignac number, because 63525012462449 - 2¹² = 63525012458353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63525012462449.

It is not a weakly prime, because it can be changed into another prime (63525012462479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31762506231224 + 31762506231225.

It is an arithmetic number, because the mean of its divisors is an integer number (31762506231225).

Almost surely, 2^{63525012462449} is an apocalyptic number.

It is an amenable number.

63525012462449 is a deficient number, since it is larger than the sum of its proper divisors (1).

63525012462449 is an equidigital number, since it uses as much as digits as its factorization.

63525012462449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12441600, while the sum is 53.

The spelling of 63525012462449 in words is "sixty-three trillion, five hundred twenty-five billion, twelve million, four hundred sixty-two thousand, four hundred forty-nine".