653719143841 has 9 divisors (see below), whose sum is σ = 669311063409. Its totient is φ = 638482414836.

The previous prime is 653719143821. The next prime is 653719143877. The reversal of 653719143841 is 148341917356.

The square root of 653719143841 is 808529.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 653719143841 - 2³⁷ = 516280190369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653719143821) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 34757346 + ... + 34776148.

Almost surely, 2^653719143841 is an apocalyptic number.

653719143841 is the 808529-th square number.

653719143841 is the 404265-th centered octagonal number.

It is an amenable number.

653719143841 is a deficient number, since it is larger than the sum of its proper divisors (15591919568).

653719143841 is an frugal number, since it uses more digits than its factorization.

653719143841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37692 (or 18846 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 52.

The spelling of 653719143841 in words is "six hundred fifty-three billion, seven hundred nineteen million, one hundred forty-three thousand, eight hundred forty-one".