53963889464 has 8 divisors (see below), whose sum is σ = 101182292760. Its totient is φ = 26981944728.

The previous prime is 53963889457. The next prime is 53963889479. The reversal of 53963889464 is 46498836935.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 53963889464.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3372743084 + ... + 3372743099.

It is an arithmetic number, because the mean of its divisors is an integer number (12647786595).

Almost surely, 2^53963889464 is an apocalyptic number.

It is an amenable number.

53963889464 is a deficient number, since it is larger than the sum of its proper divisors (47218403296).

53963889464 is a wasteful number, since it uses less digits than its factorization.

53963889464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745486189 (or 6745486185 counting only the distinct ones).

The product of its digits is 134369280, while the sum is 65.

The spelling of 53963889464 in words is "fifty-three billion, nine hundred sixty-three million, eight hundred eighty-nine thousand, four hundred sixty-four".