39734985369 has 16 divisors (see below), whose sum is σ = 53552980800. Its totient is φ = 26204767680.

The previous prime is 39734985349. The next prime is 39734985373. The reversal of 39734985369 is 96358943793.

It is not a de Polignac number, because 39734985369 - 2⁵ = 39734985337 is a prime.

It is a super-2 number, since 2×39734985369² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39734985319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34894 + ... + 284055.

It is an arithmetic number, because the mean of its divisors is an integer number (3347061300).

Almost surely, 2^39734985369 is an apocalyptic number.

It is an amenable number.

39734985369 is a deficient number, since it is larger than the sum of its proper divisors (13817995431).

39734985369 is a wasteful number, since it uses less digits than its factorization.

39734985369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319400.

The product of its digits is 132269760, while the sum is 66.

The spelling of 39734985369 in words is "thirty-nine billion, seven hundred thirty-four million, nine hundred eighty-five thousand, three hundred sixty-nine".