653340789 has 16 divisors (see below), whose sum is σ = 969138240. Its totient is φ = 435008880.

The previous prime is 653340763. The next prime is 653340817. The reversal of 653340789 is 987043356.

653340789 is a `hidden beast` number, since 6 + 533 + 40 + 78 + 9 = 666.

653340789 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 653340789 - 2⁵ = 653340757 is a prime.

It is a super-2 number, since 2×653340789² = 853708373142285042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653341789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6979 + ... + 36815.

It is an arithmetic number, because the mean of its divisors is an integer number (60571140).

Almost surely, 2^653340789 is an apocalyptic number.

It is an amenable number.

653340789 is a deficient number, since it is larger than the sum of its proper divisors (315797451).

653340789 is a wasteful number, since it uses less digits than its factorization.

653340789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30657 (or 30651 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 653340789 is about 25560.5318606636. The cubic root of 653340789 is about 867.7206326450.

The spelling of 653340789 in words is "six hundred fifty-three million, three hundred forty thousand, seven hundred eighty-nine".