653890455369 has 12 divisors (see below), whose sum is σ = 953678421696. Its totient is φ = 431694668952.

The previous prime is 653890455359. The next prime is 653890455389. The reversal of 653890455369 is 963554098356.

653890455369 is a `hidden beast` number, since 6 + 5 + 3 + 8 + 90 + 4 + 5 + 536 + 9 = 666.

It is not a de Polignac number, because 653890455369 - 2⁴ = 653890455353 is a prime.

It is a super-2 number, since 2×653890455369² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (653890455329) 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 11 ways as a sum of consecutive naturals, for example, 352690797 + ... + 352692650.

It is an arithmetic number, because the mean of its divisors is an integer number (79473201808).

Almost surely, 2^653890455369 is an apocalyptic number.

It is an amenable number.

653890455369 is a deficient number, since it is larger than the sum of its proper divisors (299787966327).

653890455369 is a wasteful number, since it uses less digits than its factorization.

653890455369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705383556 (or 705383553 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 63.

The spelling of 653890455369 in words is "six hundred fifty-three billion, eight hundred ninety million, four hundred fifty-five thousand, three hundred sixty-nine".