39847470983 has 2 divisors, whose sum is σ = 39847470984. Its totient is φ = 39847470982.

The previous prime is 39847470973. The next prime is 39847471063. The reversal of 39847470983 is 38907474893.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39847470983 - 2⁸ = 39847470727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39847470973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19923735491 + 19923735492.

It is an arithmetic number, because the mean of its divisors is an integer number (19923735492).

Almost surely, 2^39847470983 is an apocalyptic number.

39847470983 is a deficient number, since it is larger than the sum of its proper divisors (1).

39847470983 is an equidigital number, since it uses as much as digits as its factorization.

39847470983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36578304, while the sum is 62.

The spelling of 39847470983 in words is "thirty-nine billion, eight hundred forty-seven million, four hundred seventy thousand, nine hundred eighty-three".