39486968494 has 8 divisors (see below), whose sum is σ = 59773851720. Its totient is φ = 19562351256.

The previous prime is 39486968459. The next prime is 39486968503. The reversal of 39486968494 is 49486968493.

39486968494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×39486968494² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90566224 + ... + 90566659.

It is an arithmetic number, because the mean of its divisors is an integer number (7471731465).

Almost surely, 2^39486968494 is an apocalyptic number.

39486968494 is a deficient number, since it is larger than the sum of its proper divisors (20286883226).

39486968494 is a wasteful number, since it uses less digits than its factorization.

39486968494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181132994.

The product of its digits is 322486272, while the sum is 70.

Subtracting 39486968494 from its reverse (49486968493), we obtain a palindrome (9999999999).

The spelling of 39486968494 in words is "thirty-nine billion, four hundred eighty-six million, nine hundred sixty-eight thousand, four hundred ninety-four".