394668714733 has 8 divisors (see below), whose sum is σ = 428076827640. Its totient is φ = 362393080320.

The previous prime is 394668714731. The next prime is 394668714757. The reversal of 394668714733 is 337417866493.

It can be written as a sum of positive squares in 4 ways, for example, as 126523912804 + 268144801929 = 355702^2 + 517827^2 .

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 394668714733 - 2¹ = 394668714731 is a prime.

It is a super-2 number, since 2×394668714733² (a number of 24 digits) contains 22 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 (394668714731) 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, 283118898 + ... + 283120291.

It is an arithmetic number, because the mean of its divisors is an integer number (53509603455).

Almost surely, 2^394668714733 is an apocalyptic number.

It is an amenable number.

394668714733 is a deficient number, since it is larger than the sum of its proper divisors (33408112907).

394668714733 is a wasteful number, since it uses less digits than its factorization.

394668714733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566239247.

The product of its digits is 54867456, while the sum is 61.

The spelling of 394668714733 in words is "three hundred ninety-four billion, six hundred sixty-eight million, seven hundred fourteen thousand, seven hundred thirty-three".