39845258453 has 16 divisors (see below), whose sum is σ = 53498530176. Its totient is φ = 28659925440.

The previous prime is 39845258419. The next prime is 39845258477. The reversal of 39845258453 is 35485254893.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 39845258453 - 2⁶ = 39845258389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39845258483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19901726 + ... + 19903727.

It is an arithmetic number, because the mean of its divisors is an integer number (3343658136).

Almost surely, 2^39845258453 is an apocalyptic number.

It is an amenable number.

39845258453 is a deficient number, since it is larger than the sum of its proper divisors (13653271723).

39845258453 is a wasteful number, since it uses less digits than its factorization.

39845258453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39805484.

The product of its digits is 20736000, while the sum is 56.

The spelling of 39845258453 in words is "thirty-nine billion, eight hundred forty-five million, two hundred fifty-eight thousand, four hundred fifty-three".