63220182036545 has 8 divisors (see below), whose sum is σ = 76646323789224. Its totient is φ = 50054742065664.

The previous prime is 63220182036493. The next prime is 63220182036553. The reversal of 63220182036545 is 54563028102236.

It is a Cunningham number, because it is equal to 7951112²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 22759273166224 + 40460908870321 = 4770668^2 + 6360889^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63220182036545 - 2¹⁴ = 63220182020161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 63220182036545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65175444914 + ... + 65175445883.

It is an arithmetic number, because the mean of its divisors is an integer number (9580790473653).

Almost surely, 2^{63220182036545} is an apocalyptic number.

It is an amenable number.

63220182036545 is a deficient number, since it is larger than the sum of its proper divisors (13426141752679).

63220182036545 is a wasteful number, since it uses less digits than its factorization.

63220182036545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130350890899.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 63220182036545 in words is "sixty-three trillion, two hundred twenty billion, one hundred eighty-two million, thirty-six thousand, five hundred forty-five".