399129236963 has 2 divisors, whose sum is σ = 399129236964. Its totient is φ = 399129236962.

The previous prime is 399129236951. The next prime is 399129236981. The reversal of 399129236963 is 369632921993.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-399129236963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 399129236896 and 399129236905.

It is not a weakly prime, because it can be changed into another prime (399129236063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199564618481 + 199564618482.

It is an arithmetic number, because the mean of its divisors is an integer number (199564618482).

Almost surely, 2^399129236963 is an apocalyptic number.

399129236963 is a deficient number, since it is larger than the sum of its proper divisors (1).

399129236963 is an equidigital number, since it uses as much as digits as its factorization.

399129236963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25509168, while the sum is 62.

The spelling of 399129236963 in words is "three hundred ninety-nine billion, one hundred twenty-nine million, two hundred thirty-six thousand, nine hundred sixty-three".