64748084745 has 32 divisors (see below), whose sum is σ = 108403743744. Its totient is φ = 32960563200.

The previous prime is 64748084663. The next prime is 64748084801. The reversal of 64748084745 is 54748084746.

It is not a de Polignac number, because 64748084745 - 2¹⁹ = 64747560457 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 919776 + ... + 987665.

It is an arithmetic number, because the mean of its divisors is an integer number (3387616992).

Almost surely, 2^64748084745 is an apocalyptic number.

It is an amenable number.

64748084745 is a deficient number, since it is larger than the sum of its proper divisors (43655658999).

64748084745 is a wasteful number, since it uses less digits than its factorization.

64748084745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907553.

The product of its (nonzero) digits is 24084480, while the sum is 57.

Subtracting from 64748084745 its reverse (54748084746), we obtain a palindrome (9999999999).

The spelling of 64748084745 in words is "sixty-four billion, seven hundred forty-eight million, eighty-four thousand, seven hundred forty-five".