64134702764 has 12 divisors (see below), whose sum is σ = 122438978088. Its totient is φ = 29152137600.

The previous prime is 64134702727. The next prime is 64134702769. The reversal of 64134702764 is 46720743146.

It is a super-2 number, since 2×64134702764² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 1457606881 = 64134702764 / (6 + 4 + 1 + 3 + 4 + 7 + 0 + 2 + 7 + 6 + 4).

It is not an unprimeable number, because it can be changed into a prime (64134702769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 728803397 + ... + 728803484.

It is an arithmetic number, because the mean of its divisors is an integer number (10203248174).

Almost surely, 2^64134702764 is an apocalyptic number.

It is an amenable number.

64134702764 is a deficient number, since it is larger than the sum of its proper divisors (58304275324).

64134702764 is a wasteful number, since it uses less digits than its factorization.

64134702764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457606896 (or 1457606894 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 44.

The spelling of 64134702764 in words is "sixty-four billion, one hundred thirty-four million, seven hundred two thousand, seven hundred sixty-four".