64471015460132 has 12 divisors (see below), whose sum is σ = 112824859643916. Its totient is φ = 32235341276160.

The previous prime is 64471015459993. The next prime is 64471015460141. The reversal of 64471015460132 is 23106451017446.

It can be written as a sum of positive squares in 2 ways, for example, as 42628702832356 + 21842312627776 = 6529066^2 + 4673576^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40739969 + ... + 42292872.

It is an arithmetic number, because the mean of its divisors is an integer number (9402071636993).

Almost surely, 2^{64471015460132} is an apocalyptic number.

It is an amenable number.

64471015460132 is a deficient number, since it is larger than the sum of its proper divisors (48353844183784).

64471015460132 is a wasteful number, since it uses less digits than its factorization.

64471015460132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83226958 (or 83226956 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 44.

Adding to 64471015460132 its reverse (23106451017446), we get a palindrome (87577466477578).

The spelling of 64471015460132 in words is "sixty-four trillion, four hundred seventy-one billion, fifteen million, four hundred sixty thousand, one hundred thirty-two".