39494049493 has 8 divisors (see below), whose sum is σ = 39895661880. Its totient is φ = 39092644800.

The previous prime is 39494049457. The next prime is 39494049509.

39494049493 is nontrivially palindromic in base 10.

39494049493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 24493189009 + 15000860484 = 156503^2 + 122478^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 39494049493 - 2¹⁷ = 39493918421 is a prime.

It is a super-3 number, since 3×39494049493³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494049893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345703 + ... + 445531.

It is an arithmetic number, because the mean of its divisors is an integer number (4986957735).

Almost surely, 2^39494049493 is an apocalyptic number.

It is an amenable number.

39494049493 is a deficient number, since it is larger than the sum of its proper divisors (401612387).

39494049493 is a wasteful number, since it uses less digits than its factorization.

39494049493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103847.

The product of its (nonzero) digits is 15116544, while the sum is 58.

The spelling of 39494049493 in words is "thirty-nine billion, four hundred ninety-four million, forty-nine thousand, four hundred ninety-three".