399409371453 has 8 divisors (see below), whose sum is σ = 563872053888. Its totient is φ = 250609801664.

The previous prime is 399409371443. The next prime is 399409371479. The reversal of 399409371453 is 354173904993.

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 399409371453 - 2¹³ = 399409363261 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 399409371393 and 399409371402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399409371443) 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, 3915778101 + ... + 3915778202.

It is an arithmetic number, because the mean of its divisors is an integer number (70484006736).

Almost surely, 2^399409371453 is an apocalyptic number.

It is an amenable number.

399409371453 is a deficient number, since it is larger than the sum of its proper divisors (164462682435).

399409371453 is a wasteful number, since it uses less digits than its factorization.

399409371453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831556323.

The product of its (nonzero) digits is 11022480, while the sum is 57.

The spelling of 399409371453 in words is "three hundred ninety-nine billion, four hundred nine million, three hundred seventy-one thousand, four hundred fifty-three".