393935892494 has 8 divisors (see below), whose sum is σ = 622004040840. Its totient is φ = 186601212216.

The previous prime is 393935892473. The next prime is 393935892509. The reversal of 393935892494 is 494298539393.

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

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, 5183366969 + ... + 5183367044.

It is an arithmetic number, because the mean of its divisors is an integer number (77750505105).

Almost surely, 2^393935892494 is an apocalyptic number.

393935892494 is a deficient number, since it is larger than the sum of its proper divisors (228068148346).

393935892494 is a wasteful number, since it uses less digits than its factorization.

393935892494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10366734034.

The product of its digits is 226748160, while the sum is 68.

The spelling of 393935892494 in words is "three hundred ninety-three billion, nine hundred thirty-five million, eight hundred ninety-two thousand, four hundred ninety-four".