64025284049019 has 24 divisors (see below), whose sum is σ = 93749660978480. Its totient is φ = 42097993961472.

The previous prime is 64025284049011. The next prime is 64025284049029. The reversal of 64025284049019 is 91094048252046.

64025284049019 is a `hidden beast` number, since 6 + 40 + 25 + 2 + 84 + 0 + 490 + 19 = 666.

It is not a de Polignac number, because 64025284049019 - 2³ = 64025284049011 is a prime.

It is a super-2 number, since 2×64025284049019² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64025284049011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33637932 + ... + 35490294.

Almost surely, 2^{64025284049019} is an apocalyptic number.

64025284049019 is a deficient number, since it is larger than the sum of its proper divisors (29724376929461).

64025284049019 is a wasteful number, since it uses less digits than its factorization.

64025284049019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905051 (or 1905048 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 64025284049019 in words is "sixty-four trillion, twenty-five billion, two hundred eighty-four million, forty-nine thousand, nineteen".