64464148419 has 16 divisors (see below), whose sum is σ = 93771302400. Its totient is φ = 39066985760.

The previous prime is 64464148379. The next prime is 64464148433. The reversal of 64464148419 is 91484146446.

It is not a de Polignac number, because 64464148419 - 2⁸ = 64464148163 is a prime.

It is a super-2 number, since 2×64464148419² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (64464128419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693814 + ... + 781220.

It is an arithmetic number, because the mean of its divisors is an integer number (5860706400).

Almost surely, 2^64464148419 is an apocalyptic number.

64464148419 is a deficient number, since it is larger than the sum of its proper divisors (29307153981).

64464148419 is a wasteful number, since it uses less digits than its factorization.

64464148419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109770.

The product of its digits is 2654208, while the sum is 51.

The spelling of 64464148419 in words is "sixty-four billion, four hundred sixty-four million, one hundred forty-eight thousand, four hundred nineteen".