654244632361 has 12 divisors (see below), whose sum is σ = 690547973232. Its totient is φ = 619759449144.

The previous prime is 654244632319. The next prime is 654244632389. The reversal of 654244632361 is 163236442456.

It is a happy number.

It is not a de Polignac number, because 654244632361 - 2¹³ = 654244624169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654244632311) 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, 4721086 + ... + 4857688.

It is an arithmetic number, because the mean of its divisors is an integer number (57545664436).

Almost surely, 2^654244632361 is an apocalyptic number.

It is an amenable number.

654244632361 is a deficient number, since it is larger than the sum of its proper divisors (36303340871).

654244632361 is a wasteful number, since it uses less digits than its factorization.

654244632361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149908 (or 149889 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 46.

The spelling of 654244632361 in words is "six hundred fifty-four billion, two hundred forty-four million, six hundred thirty-two thousand, three hundred sixty-one".