63323064651 has 32 divisors (see below), whose sum is σ = 105281630208. Its totient is φ = 32889687840.

The previous prime is 63323064643. The next prime is 63323064677. The reversal of 63323064651 is 15646032336.

It is not a de Polignac number, because 63323064651 - 2³ = 63323064643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63323064611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1654210 + ... + 1692056.

It is an arithmetic number, because the mean of its divisors is an integer number (3290050944).

Almost surely, 2^63323064651 is an apocalyptic number.

63323064651 is a deficient number, since it is larger than the sum of its proper divisors (41958565557).

63323064651 is a wasteful number, since it uses less digits than its factorization.

63323064651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45111.

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 63323064651 its reverse (15646032336), we get a palindrome (78969096987).

The spelling of 63323064651 in words is "sixty-three billion, three hundred twenty-three million, sixty-four thousand, six hundred fifty-one".