42692729591 has 2 divisors, whose sum is σ = 42692729592. Its totient is φ = 42692729590.

The previous prime is 42692729543. The next prime is 42692729617. The reversal of 42692729591 is 19592729624.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42692729591 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42692726591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21346364795 + 21346364796.

It is an arithmetic number, because the mean of its divisors is an integer number (21346364796).

Almost surely, 2^42692729591 is an apocalyptic number.

42692729591 is a deficient number, since it is larger than the sum of its proper divisors (1).

42692729591 is an equidigital number, since it uses as much as digits as its factorization.

42692729591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4898880, while the sum is 56.

The spelling of 42692729591 in words is "forty-two billion, six hundred ninety-two million, seven hundred twenty-nine thousand, five hundred ninety-one".