39434131147 has 2 divisors, whose sum is σ = 39434131148. Its totient is φ = 39434131146.

The previous prime is 39434131111. The next prime is 39434131169. The reversal of 39434131147 is 74113143493.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 39434131147 - 2⁷ = 39434131019 is a prime.

It is not a weakly prime, because it can be changed into another prime (39434131547) 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, 19717065573 + 19717065574.

It is an arithmetic number, because the mean of its divisors is an integer number (19717065574).

Almost surely, 2^39434131147 is an apocalyptic number.

39434131147 is a deficient number, since it is larger than the sum of its proper divisors (1).

39434131147 is an equidigital number, since it uses as much as digits as its factorization.

39434131147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The spelling of 39434131147 in words is "thirty-nine billion, four hundred thirty-four million, one hundred thirty-one thousand, one hundred forty-seven".