403839492013 has 2 divisors, whose sum is σ = 403839492014. Its totient is φ = 403839492012.

The previous prime is 403839491981. The next prime is 403839492031. The reversal of 403839492013 is 310294938304.

Together with next prime (403839492031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376017919209 + 27821572804 = 613203^2 + 166798^2 .

It is a cyclic number.

It is not a de Polignac number, because 403839492013 - 2⁵ = 403839491981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (403839492053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201919746006 + 201919746007.

It is an arithmetic number, because the mean of its divisors is an integer number (201919746007).

Almost surely, 2^403839492013 is an apocalyptic number.

It is an amenable number.

403839492013 is a deficient number, since it is larger than the sum of its proper divisors (1).

403839492013 is an equidigital number, since it uses as much as digits as its factorization.

403839492013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 559872, while the sum is 46.

The spelling of 403839492013 in words is "four hundred three billion, eight hundred thirty-nine million, four hundred ninety-two thousand, thirteen".