63104640136 has 8 divisors (see below), whose sum is σ = 118321200270. Its totient is φ = 31552320064.

The previous prime is 63104640133. The next prime is 63104640139.

63104640136 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (63104640133) and next prime (63104640139).

It can be written as a sum of positive squares in only one way, i.e., 39997600036 + 23107040100 = 199994^2 + 152010^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63104640133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3944040001 + ... + 3944040016.

Almost surely, 2^63104640136 is an apocalyptic number.

It is an amenable number.

63104640136 is a deficient number, since it is larger than the sum of its proper divisors (55216560134).

63104640136 is a wasteful number, since it uses less digits than its factorization.

63104640136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888080023 (or 7888080019 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 63104640136 in words is "sixty-three billion, one hundred four million, six hundred forty thousand, one hundred thirty-six".