399132202311002 has 4 divisors (see below), whose sum is σ = 598698303466506. Its totient is φ = 199566101155500.

The previous prime is 399132202311001. The next prime is 399132202311023. The reversal of 399132202311002 is 200113202231993.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 342673373850721 + 56458828460281 = 18511439^2 + 7513909^2 .

It is not an unprimeable number, because it can be changed into a prime (399132202311001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99783050577749 + ... + 99783050577752.

Almost surely, 2^{399132202311002} is an apocalyptic number.

399132202311002 is a deficient number, since it is larger than the sum of its proper divisors (199566101155504).

399132202311002 is a wasteful number, since it uses less digits than its factorization.

399132202311002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199566101155503.

The product of its (nonzero) digits is 34992, while the sum is 38.

Adding to 399132202311002 its reverse (200113202231993), we get a palindrome (599245404542995).

The spelling of 399132202311002 in words is "three hundred ninety-nine trillion, one hundred thirty-two billion, two hundred two million, three hundred eleven thousand, two".