39494849493 has 32 divisors (see below), whose sum is σ = 59350781952. Its totient is φ = 23144371200.

The previous prime is 39494849479. The next prime is 39494849503.

39494849493 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 39494849493 - 2⁵ = 39494849461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494845493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1229130 + ... + 1260852.

It is an arithmetic number, because the mean of its divisors is an integer number (1854711936).

Almost surely, 2^39494849493 is an apocalyptic number.

39494849493 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

39494849493 is a deficient number, since it is larger than the sum of its proper divisors (19855932459).

39494849493 is a wasteful number, since it uses less digits than its factorization.

39494849493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32985.

The product of its digits is 120932352, while the sum is 66.

The spelling of 39494849493 in words is "thirty-nine billion, four hundred ninety-four million, eight hundred forty-nine thousand, four hundred ninety-three".