39595015096849 has 3 divisors (see below), whose sum is σ = 39595021389307. Its totient is φ = 39595008804392.

The previous prime is 39595015096831. The next prime is 39595015096859. The reversal of 39595015096849 is 94869051059593.

The square root of 39595015096849 is 6292457.

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.

It can be written as a sum of positive squares in only one way, i.e., 29275295742225 + 10319719354624 = 5410665^2 + 3212432^2 .

It is not a de Polignac number, because 39595015096849 - 2²¹ = 39595012999697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39595015096859) 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, 3146229 + ... + 9438685.

Almost surely, 2^{39595015096849} is an apocalyptic number.

39595015096849 is the 6292457-th square number.

39595015096849 is the 3146229-th centered octagonal number.

It is an amenable number.

39595015096849 is a deficient number, since it is larger than the sum of its proper divisors (6292458).

39595015096849 is an frugal number, since it uses more digits than its factorization.

39595015096849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12584914 (or 6292457 counting only the distinct ones).

The product of its (nonzero) digits is 472392000, while the sum is 73.

The spelling of 39595015096849 in words is "thirty-nine trillion, five hundred ninety-five billion, fifteen million, ninety-six thousand, eight hundred forty-nine".