56786429437 has 2 divisors, whose sum is σ = 56786429438. Its totient is φ = 56786429436.

The previous prime is 56786429423. The next prime is 56786429473. The reversal of 56786429437 is 73492468765.

Together with next prime (56786429473) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51578497881 + 5207931556 = 227109^2 + 72166^2 .

It is a cyclic number.

It is not a de Polignac number, because 56786429437 - 2¹¹ = 56786427389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56786429237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28393214718 + 28393214719.

It is an arithmetic number, because the mean of its divisors is an integer number (28393214719).

Almost surely, 2^56786429437 is an apocalyptic number.

It is an amenable number.

56786429437 is a deficient number, since it is larger than the sum of its proper divisors (1).

56786429437 is an equidigital number, since it uses as much as digits as its factorization.

56786429437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60963840, while the sum is 61.

The spelling of 56786429437 in words is "fifty-six billion, seven hundred eighty-six million, four hundred twenty-nine thousand, four hundred thirty-seven".