399280148213 has 8 divisors (see below), whose sum is σ = 400264039296. Its totient is φ = 398297304000.

The previous prime is 399280148191. The next prime is 399280148219. The reversal of 399280148213 is 312841082993.

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 399280148213 - 2¹⁸ = 399279886069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399280148219) 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, 504788 + ... + 1026338.

It is an arithmetic number, because the mean of its divisors is an integer number (50033004912).

Almost surely, 2^399280148213 is an apocalyptic number.

It is an amenable number.

399280148213 is a deficient number, since it is larger than the sum of its proper divisors (983891083).

399280148213 is a wasteful number, since it uses less digits than its factorization.

399280148213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523435.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 399280148213 in words is "three hundred ninety-nine billion, two hundred eighty million, one hundred forty-eight thousand, two hundred thirteen".