653789741 has 12 divisors (see below), whose sum is σ = 738055836. Its totient is φ = 578286720.

The previous prime is 653789681. The next prime is 653789749. The reversal of 653789741 is 147987356.

It can be written as a sum of positive squares in 2 ways, for example, as 536154025 + 117635716 = 23155^2 + 10846^2 .

It is not a de Polignac number, because 653789741 - 2¹⁰ = 653788717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 653789741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653789749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68540 + ... + 77493.

It is an arithmetic number, because the mean of its divisors is an integer number (61504653).

Almost surely, 2^653789741 is an apocalyptic number.

It is an amenable number.

653789741 is a deficient number, since it is larger than the sum of its proper divisors (84266095).

653789741 is a wasteful number, since it uses less digits than its factorization.

653789741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146092 (or 146081 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 50.

The square root of 653789741 is about 25569.3124858687. The cubic root of 653789741 is about 867.9193424773.

The spelling of 653789741 in words is "six hundred fifty-three million, seven hundred eighty-nine thousand, seven hundred forty-one".