4463505515449 has 2 divisors, whose sum is σ = 4463505515450. Its totient is φ = 4463505515448.

The previous prime is 4463505515431. The next prime is 4463505515459. The reversal of 4463505515449 is 9445155053644.

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., 4214336823225 + 249168692224 = 2052885^2 + 499168^2 .

It is a cyclic number.

It is not a de Polignac number, because 4463505515449 - 2²⁵ = 4463471961017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4463505515449.

It is not a weakly prime, because it can be changed into another prime (4463505515459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2231752757724 + 2231752757725.

It is an arithmetic number, because the mean of its divisors is an integer number (2231752757725).

Almost surely, 2^{4463505515449} is an apocalyptic number.

It is an amenable number.

4463505515449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4463505515449 is an equidigital number, since it uses as much as digits as its factorization.

4463505515449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920000, while the sum is 55.

The spelling of 4463505515449 in words is "four trillion, four hundred sixty-three billion, five hundred five million, five hundred fifteen thousand, four hundred forty-nine".