42836693771 has 2 divisors, whose sum is σ = 42836693772. Its totient is φ = 42836693770.

The previous prime is 42836693737. The next prime is 42836693803. The reversal of 42836693771 is 17739663824.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42836693771 is a prime.

It is not a weakly prime, because it can be changed into another prime (42836633771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21418346885 + 21418346886.

It is an arithmetic number, because the mean of its divisors is an integer number (21418346886).

Almost surely, 2^42836693771 is an apocalyptic number.

42836693771 is a deficient number, since it is larger than the sum of its proper divisors (1).

42836693771 is an equidigital number, since it uses as much as digits as its factorization.

42836693771 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 56.

The spelling of 42836693771 in words is "forty-two billion, eight hundred thirty-six million, six hundred ninety-three thousand, seven hundred seventy-one".