399889730216003 has 2 divisors, whose sum is σ = 399889730216004. Its totient is φ = 399889730216002.

The previous prime is 399889730215961. The next prime is 399889730216111. The reversal of 399889730216003 is 300612037988993.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 399889730216003 - 2⁶ = 399889730215939 is a prime.

It is not a weakly prime, because it can be changed into another prime (399889730216803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199944865108001 + 199944865108002.

It is an arithmetic number, because the mean of its divisors is an integer number (199944865108002).

Almost surely, 2^{399889730216003} is an apocalyptic number.

399889730216003 is a deficient number, since it is larger than the sum of its proper divisors (1).

399889730216003 is an equidigital number, since it uses as much as digits as its factorization.

399889730216003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105815808, while the sum is 68.

The spelling of 399889730216003 in words is "three hundred ninety-nine trillion, eight hundred eighty-nine billion, seven hundred thirty million, two hundred sixteen thousand, three".