654433656941 has 2 divisors, whose sum is σ = 654433656942. Its totient is φ = 654433656940.

The previous prime is 654433656931. The next prime is 654433657037. The reversal of 654433656941 is 149656334456.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445062436900 + 209371220041 = 667130^2 + 457571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654433656941 is a prime.

It is a super-2 number, since 2×654433656941² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (654433656931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327216828470 + 327216828471.

It is an arithmetic number, because the mean of its divisors is an integer number (327216828471).

Almost surely, 2^654433656941 is an apocalyptic number.

It is an amenable number.

654433656941 is a deficient number, since it is larger than the sum of its proper divisors (1).

654433656941 is an equidigital number, since it uses as much as digits as its factorization.

654433656941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27993600, while the sum is 56.

The spelling of 654433656941 in words is "six hundred fifty-four billion, four hundred thirty-three million, six hundred fifty-six thousand, nine hundred forty-one".