53819909964 has 18 divisors (see below), whose sum is σ = 136044772500. Its totient is φ = 17939969976.

The previous prime is 53819909953. The next prime is 53819909977. The reversal of 53819909964 is 46990991835.

53819909964 is a `hidden beast` number, since 538 + 1 + 9 + 9 + 0 + 9 + 96 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 747498714 + ... + 747498785.

Almost surely, 2^53819909964 is an apocalyptic number.

It is an amenable number.

53819909964 is an abundant number, since it is smaller than the sum of its proper divisors (82224862536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53819909964 is a wasteful number, since it uses less digits than its factorization.

53819909964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494997509 (or 1494997504 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 53819909964 in words is "fifty-three billion, eight hundred nineteen million, nine hundred nine thousand, nine hundred sixty-four".