6463251153 has 6 divisors (see below), whose sum is σ = 9335807234. Its totient is φ = 4308834096.

The previous prime is 6463251149. The next prime is 6463251173. The reversal of 6463251153 is 3511523646.

6463251153 is a `hidden beast` number, since 6 + 4 + 632 + 5 + 1 + 15 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3316377744 + 3146873409 = 57588^2 + 56097^2 .

It is not a de Polignac number, because 6463251153 - 2² = 6463251149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6463251173) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 359069500 + ... + 359069517.

Almost surely, 2^6463251153 is an apocalyptic number.

It is an amenable number.

6463251153 is a deficient number, since it is larger than the sum of its proper divisors (2872556081).

6463251153 is a wasteful number, since it uses less digits than its factorization.

6463251153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718139023 (or 718139020 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 6463251153 is about 80394.3477677380. The cubic root of 6463251153 is about 1862.7318657808.

Adding to 6463251153 its reverse (3511523646), we get a palindrome (9974774799).

The spelling of 6463251153 in words is "six billion, four hundred sixty-three million, two hundred fifty-one thousand, one hundred fifty-three".