39706041420529 has 9 divisors (see below), whose sum is σ = 43643906840569. Its totient is φ = 36096338278660.

The previous prime is 39706041420511. The next prime is 39706041420571. The reversal of 39706041420529 is 92502414060793.

The square root of 39706041420529 is 6301273.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 39706041420529 - 2²³ = 39706033031921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39706041420589) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69027582 + ... + 69600424.

Almost surely, 2^{39706041420529} is an apocalyptic number.

39706041420529 is the 6301273-rd square number.

39706041420529 is the 3150637-th centered octagonal number.

It is an amenable number.

39706041420529 is a deficient number, since it is larger than the sum of its proper divisors (3937865420040).

39706041420529 is an frugal number, since it uses more digits than its factorization.

39706041420529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1145708 (or 572854 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 39706041420529 in words is "thirty-nine trillion, seven hundred six billion, forty-one million, four hundred twenty thousand, five hundred twenty-nine".