653056464523 has 4 divisors (see below), whose sum is σ = 656704824840. Its totient is φ = 649408104208.

The previous prime is 653056464509. The next prime is 653056464547. The reversal of 653056464523 is 325464650356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653056464523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653056464553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824179890 + ... + 1824180247.

It is an arithmetic number, because the mean of its divisors is an integer number (164176206210).

Almost surely, 2^653056464523 is an apocalyptic number.

653056464523 is a deficient number, since it is larger than the sum of its proper divisors (3648360317).

653056464523 is a wasteful number, since it uses less digits than its factorization.

653056464523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3648360316.

The product of its (nonzero) digits is 7776000, while the sum is 49.

The spelling of 653056464523 in words is "six hundred fifty-three billion, fifty-six million, four hundred sixty-four thousand, five hundred twenty-three".