63545454536 has 8 divisors (see below), whose sum is σ = 119147727270. Its totient is φ = 31772727264.

The previous prime is 63545454493. The next prime is 63545454547.

63545454536 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 49974602500 + 13570852036 = 223550^2 + 116494^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3971590901 + ... + 3971590916.

Almost surely, 2^63545454536 is an apocalyptic number.

It is an amenable number.

63545454536 is a deficient number, since it is larger than the sum of its proper divisors (55602272734).

63545454536 is a wasteful number, since it uses less digits than its factorization.

63545454536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943181823 (or 7943181819 counting only the distinct ones).

The product of its digits is 12960000, while the sum is 50.

The spelling of 63545454536 in words is "sixty-three billion, five hundred forty-five million, four hundred fifty-four thousand, five hundred thirty-six".