39120069528645 has 16 divisors (see below), whose sum is σ = 71533841424000. Its totient is φ = 17883460355904.

The previous prime is 39120069528611. The next prime is 39120069528647. The reversal of 39120069528645 is 54682596002193.

It is not a de Polignac number, because 39120069528645 - 2¹⁴ = 39120069512261 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39120069528647) 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, 186286045270 + ... + 186286045479.

It is an arithmetic number, because the mean of its divisors is an integer number (4470865089000).

Almost surely, 2^{39120069528645} is an apocalyptic number.

39120069528645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39120069528645 is a deficient number, since it is larger than the sum of its proper divisors (32413771895355).

39120069528645 is a wasteful number, since it uses less digits than its factorization.

39120069528645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372572090764.

The product of its (nonzero) digits is 27993600, while the sum is 60.

The spelling of 39120069528645 in words is "thirty-nine trillion, one hundred twenty billion, sixty-nine million, five hundred twenty-eight thousand, six hundred forty-five".