39386883154609 has 9 divisors (see below), whose sum is σ = 39424304176761. Its totient is φ = 39349497636180.

The previous prime is 39386883154561. The next prime is 39386883154613. The reversal of 39386883154609 is 90645138868393.

The square root of 39386883154609 is 6275897.

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

It is not a de Polignac number, because 39386883154609 - 2⁹ = 39386883154097 is a prime.

It is a super-2 number, since 2×39386883154609² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39386883154109) 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, 8579148904 + ... + 8579153494.

Almost surely, 2^{39386883154609} is an apocalyptic number.

39386883154609 is the 6275897-th square number.

39386883154609 is the 3137949-th centered octagonal number.

It is an amenable number.

39386883154609 is a deficient number, since it is larger than the sum of its proper divisors (37421022152).

39386883154609 is an frugal number, since it uses more digits than its factorization.

39386883154609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11916 (or 5958 counting only the distinct ones).

The product of its (nonzero) digits is 806215680, while the sum is 73.

The spelling of 39386883154609 in words is "thirty-nine trillion, three hundred eighty-six billion, eight hundred eighty-three million, one hundred fifty-four thousand, six hundred nine".