39494248494 has 16 divisors (see below), whose sum is σ = 78997122768. Its totient is φ = 13163311872.

The previous prime is 39494248471. The next prime is 39494248523. The reversal of 39494248494 is 49484249493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299107 + ... + 410430.

It is an arithmetic number, because the mean of its divisors is an integer number (4937320173).

Almost surely, 2^39494248494 is an apocalyptic number.

39494248494 is an abundant number, since it is smaller than the sum of its proper divisors (39502874274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39494248494 is a wasteful number, since it uses less digits than its factorization.

39494248494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718819.

The product of its digits is 35831808, while the sum is 60.

Subtracting 39494248494 from its reverse (49484249493), we obtain a palindrome (9990000999).

The spelling of 39494248494 in words is "thirty-nine billion, four hundred ninety-four million, two hundred forty-eight thousand, four hundred ninety-four".