53219865963 has 32 divisors (see below), whose sum is σ = 82158508800. Its totient is φ = 30556817280.

The previous prime is 53219865961. The next prime is 53219865971. The reversal of 53219865963 is 36956891235.

53219865963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53219865963 - 2¹ = 53219865961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (53219865961) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274878 + ... + 426611.

It is an arithmetic number, because the mean of its divisors is an integer number (2567453400).

Almost surely, 2^53219865963 is an apocalyptic number.

53219865963 is a deficient number, since it is larger than the sum of its proper divisors (28938642837).

53219865963 is a wasteful number, since it uses less digits than its factorization.

53219865963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701544 (or 701522 counting only the distinct ones).

The product of its digits is 10497600, while the sum is 57.

The spelling of 53219865963 in words is "fifty-three billion, two hundred nineteen million, eight hundred sixty-five thousand, nine hundred sixty-three".