393145046439 has 8 divisors (see below), whose sum is σ = 528832275312. Its totient is φ = 259777257600.

The previous prime is 393145046419. The next prime is 393145046461. The reversal of 393145046439 is 934640541393.

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

It is not a de Polignac number, because 393145046439 - 2¹⁵ = 393145013671 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 393145046391 and 393145046400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (393145046419) 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, 579859612 + ... + 579860289.

It is an arithmetic number, because the mean of its divisors is an integer number (66104034414).

Almost surely, 2^393145046439 is an apocalyptic number.

393145046439 is a deficient number, since it is larger than the sum of its proper divisors (135687228873).

393145046439 is a wasteful number, since it uses less digits than its factorization.

393145046439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159720017.

The product of its (nonzero) digits is 4199040, while the sum is 51.

The spelling of 393145046439 in words is "three hundred ninety-three billion, one hundred forty-five million, forty-six thousand, four hundred thirty-nine".