653009670 has 96 divisors (see below), whose sum is σ = 1835664480. Its totient is φ = 160496640.

The previous prime is 653009659. The next prime is 653009677. The reversal of 653009670 is 76900356.

It is a happy number.

It is a super-2 number, since 2×653009670² = 852843258227017800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653009677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58110 + ... + 68430.

It is an arithmetic number, because the mean of its divisors is an integer number (19121505).

Almost surely, 2^653009670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 653009670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (917832240).

653009670 is an abundant number, since it is smaller than the sum of its proper divisors (1182654810).

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

653009670 is a wasteful number, since it uses less digits than its factorization.

653009670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10390 (or 10387 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 653009670 is about 25554.0538858319. The cubic root of 653009670 is about 867.5740183281.

The spelling of 653009670 in words is "six hundred fifty-three million, nine thousand, six hundred seventy".