39009041273 has 2 divisors, whose sum is σ = 39009041274. Its totient is φ = 39009041272.

The previous prime is 39009041263. The next prime is 39009041297. The reversal of 39009041273 is 37214090093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34526470969 + 4482570304 = 185813^2 + 66952^2 .

It is a cyclic number.

It is not a de Polignac number, because 39009041273 - 2⁸ = 39009041017 is a prime.

It is not a weakly prime, because it can be changed into another prime (39009041263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19504520636 + 19504520637.

It is an arithmetic number, because the mean of its divisors is an integer number (19504520637).

Almost surely, 2^39009041273 is an apocalyptic number.

It is an amenable number.

39009041273 is a deficient number, since it is larger than the sum of its proper divisors (1).

39009041273 is an equidigital number, since it uses as much as digits as its factorization.

39009041273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 38.

The spelling of 39009041273 in words is "thirty-nine billion, nine million, forty-one thousand, two hundred seventy-three".