56441726437 has 2 divisors, whose sum is σ = 56441726438. Its totient is φ = 56441726436.

The previous prime is 56441726423. The next prime is 56441726489. The reversal of 56441726437 is 73462714465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51003253921 + 5438472516 = 225839^2 + 73746^2 .

It is a cyclic number.

It is not a de Polignac number, because 56441726437 - 2¹¹ = 56441724389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56441736437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28220863218 + 28220863219.

It is an arithmetic number, because the mean of its divisors is an integer number (28220863219).

Almost surely, 2^56441726437 is an apocalyptic number.

It is an amenable number.

56441726437 is a deficient number, since it is larger than the sum of its proper divisors (1).

56441726437 is an equidigital number, since it uses as much as digits as its factorization.

56441726437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3386880, while the sum is 49.

The spelling of 56441726437 in words is "fifty-six billion, four hundred forty-one million, seven hundred twenty-six thousand, four hundred thirty-seven".