39489546373 has 2 divisors, whose sum is σ = 39489546374. Its totient is φ = 39489546372.

The previous prime is 39489546337. The next prime is 39489546379. The reversal of 39489546373 is 37364598493.

Together with previous prime (39489546337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28697037604 + 10792508769 = 169402^2 + 103887^2 .

It is a cyclic number.

It is not a de Polignac number, because 39489546373 - 2³³ = 30899611781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39489546379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19744773186 + 19744773187.

It is an arithmetic number, because the mean of its divisors is an integer number (19744773187).

Almost surely, 2^39489546373 is an apocalyptic number.

It is an amenable number.

39489546373 is a deficient number, since it is larger than the sum of its proper divisors (1).

39489546373 is an equidigital number, since it uses as much as digits as its factorization.

39489546373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58786560, while the sum is 61.

The spelling of 39489546373 in words is "thirty-nine billion, four hundred eighty-nine million, five hundred forty-six thousand, three hundred seventy-three".