42769655693 has 2 divisors, whose sum is σ = 42769655694. Its totient is φ = 42769655692.

The previous prime is 42769655657. The next prime is 42769655723. The reversal of 42769655693 is 39655696724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27268907689 + 15500748004 = 165133^2 + 124502^2 .

It is a cyclic number.

It is not a de Polignac number, because 42769655693 - 2²⁶ = 42702546829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42769645693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21384827846 + 21384827847.

It is an arithmetic number, because the mean of its divisors is an integer number (21384827847).

Almost surely, 2^42769655693 is an apocalyptic number.

It is an amenable number.

42769655693 is a deficient number, since it is larger than the sum of its proper divisors (1).

42769655693 is an equidigital number, since it uses as much as digits as its factorization.

42769655693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73483200, while the sum is 62.

The spelling of 42769655693 in words is "forty-two billion, seven hundred sixty-nine million, six hundred fifty-five thousand, six hundred ninety-three".