399112695503 has 2 divisors, whose sum is σ = 399112695504. Its totient is φ = 399112695502.

The previous prime is 399112695497. The next prime is 399112695587. The reversal of 399112695503 is 305596211993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 399112695503 - 2¹⁸ = 399112433359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (399112695803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199556347751 + 199556347752.

It is an arithmetic number, because the mean of its divisors is an integer number (199556347752).

Almost surely, 2^399112695503 is an apocalyptic number.

399112695503 is a deficient number, since it is larger than the sum of its proper divisors (1).

399112695503 is an equidigital number, since it uses as much as digits as its factorization.

399112695503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1968300, while the sum is 53.

The spelling of 399112695503 in words is "three hundred ninety-nine billion, one hundred twelve million, six hundred ninety-five thousand, five hundred three".