39681349283 has 2 divisors, whose sum is σ = 39681349284. Its totient is φ = 39681349282.

The previous prime is 39681349261. The next prime is 39681349291. The reversal of 39681349283 is 38294318693.

39681349283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39681349283 is a prime.

It is a super-2 number, since 2×39681349283² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (39681399283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19840674641 + 19840674642.

It is an arithmetic number, because the mean of its divisors is an integer number (19840674642).

Almost surely, 2^39681349283 is an apocalyptic number.

39681349283 is a deficient number, since it is larger than the sum of its proper divisors (1).

39681349283 is an equidigital number, since it uses as much as digits as its factorization.

39681349283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 56.

The spelling of 39681349283 in words is "thirty-nine billion, six hundred eighty-one million, three hundred forty-nine thousand, two hundred eighty-three".