39009015049 has 3 divisors (see below), whose sum is σ = 39009212557. Its totient is φ = 39008817542.

The previous prime is 39009014983. The next prime is 39009015103. The reversal of 39009015049 is 94051090093.

The square root of 39009015049 is 197507.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94051090093 = 257 ⋅365957549.

It is not a de Polignac number, because 39009015049 - 2¹³ = 39009006857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39009016049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 98754 + ... + 296260.

Almost surely, 2^39009015049 is an apocalyptic number.

39009015049 is the 197507-th square number.

39009015049 is the 98754-th centered octagonal number.

It is an amenable number.

39009015049 is a deficient number, since it is larger than the sum of its proper divisors (197508).

39009015049 is an frugal number, since it uses more digits than its factorization.

39009015049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395014 (or 197507 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 40.

The spelling of 39009015049 in words is "thirty-nine billion, nine million, fifteen thousand, forty-nine".