653378673 has 16 divisors (see below), whose sum is σ = 876355200. Its totient is φ = 433002240.

The previous prime is 653378659. The next prime is 653378681. The reversal of 653378673 is 376873356.

653378673 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 653378673 - 2⁸ = 653378417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (653378603) 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, 710508 + ... + 711426.

It is an arithmetic number, because the mean of its divisors is an integer number (54772200).

Almost surely, 2^653378673 is an apocalyptic number.

It is an amenable number.

653378673 is a deficient number, since it is larger than the sum of its proper divisors (222976527).

653378673 is a wasteful number, since it uses less digits than its factorization.

653378673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072.

The product of its digits is 1905120, while the sum is 48.

The square root of 653378673 is about 25561.2729143132. The cubic root of 653378673 is about 867.7374039296.

The spelling of 653378673 in words is "six hundred fifty-three million, three hundred seventy-eight thousand, six hundred seventy-three".