39874999947893 has 16 divisors (see below), whose sum is σ = 46061561704896. Its totient is φ = 34115618691840.

The previous prime is 39874999947889. The next prime is 39874999947901.

39874999947893 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 39874999947893 - 2² = 39874999947889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39874999947893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39874999947863) 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, 3180446 + ... + 9479727.

It is an arithmetic number, because the mean of its divisors is an integer number (2878847606556).

Almost surely, 2^{39874999947893} is an apocalyptic number.

It is an amenable number.

39874999947893 is a deficient number, since it is larger than the sum of its proper divisors (6186561757003).

39874999947893 is a wasteful number, since it uses less digits than its factorization.

39874999947893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12677044.

The product of its digits is 239990252544, while the sum is 98.

The spelling of 39874999947893 in words is "thirty-nine trillion, eight hundred seventy-four billion, nine hundred ninety-nine million, nine hundred forty-seven thousand, eight hundred ninety-three".