39873037893 has 64 divisors (see below), whose sum is σ = 59616184320. Its totient is φ = 23547283200.

The previous prime is 39873037891. The next prime is 39873037907.

39873037893 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 39873037893 - 2¹ = 39873037891 is a prime.

It is a super-2 number, since 2×39873037893² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39873037891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64414938 + ... + 64415556.

It is an arithmetic number, because the mean of its divisors is an integer number (931502880).

Almost surely, 2^39873037893 is an apocalyptic number.

It is an amenable number.

39873037893 is a deficient number, since it is larger than the sum of its proper divisors (19743146427).

39873037893 is a wasteful number, since it uses less digits than its factorization.

39873037893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 20575296, while the sum is 60.

The spelling of 39873037893 in words is "thirty-nine billion, eight hundred seventy-three million, thirty-seven thousand, eight hundred ninety-three".