653497479578 has 16 divisors (see below), whose sum is σ = 986961044736. Its totient is φ = 324511443600.

The previous prime is 653497479577. The next prime is 653497479581. The reversal of 653497479578 is 875974794356.

It is not an unprimeable number, because it can be changed into a prime (653497479577) 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 7 ways as a sum of consecutive naturals, for example, 1105400 + ... + 1590252.

It is an arithmetic number, because the mean of its divisors is an integer number (61685065296).

Almost surely, 2^653497479578 is an apocalyptic number.

653497479578 is a deficient number, since it is larger than the sum of its proper divisors (333463565158).

653497479578 is a wasteful number, since it uses less digits than its factorization.

653497479578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489469.

The product of its digits is 1600300800, while the sum is 74.

The spelling of 653497479578 in words is "six hundred fifty-three billion, four hundred ninety-seven million, four hundred seventy-nine thousand, five hundred seventy-eight".