39753984145 has 16 divisors (see below), whose sum is σ = 50224150080. Its totient is φ = 30124180800.

The previous prime is 39753984143. The next prime is 39753984181. The reversal of 39753984145 is 54148935793.

It is a happy number.

It is not a de Polignac number, because 39753984145 - 2¹ = 39753984143 is a prime.

It is a super-2 number, since 2×39753984145² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39753984145.

It is not an unprimeable number, because it can be changed into a prime (39753984143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577410 + ... + 642580.

It is an arithmetic number, because the mean of its divisors is an integer number (3139009380).

Almost surely, 2^39753984145 is an apocalyptic number.

It is an amenable number.

39753984145 is a deficient number, since it is larger than the sum of its proper divisors (10470165935).

39753984145 is a wasteful number, since it uses less digits than its factorization.

39753984145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71616.

The product of its digits is 16329600, while the sum is 58.

The spelling of 39753984145 in words is "thirty-nine billion, seven hundred fifty-three million, nine hundred eighty-four thousand, one hundred forty-five".