9401839016405 has 16 divisors (see below), whose sum is σ = 12308115682368. Its totient is φ = 6837560160000.

The previous prime is 9401839016399. The next prime is 9401839016411. The reversal of 9401839016405 is 5046109381049.

It is an interprime number because it is at equal distance from previous prime (9401839016399) and next prime (9401839016411).

It is not a de Polignac number, because 9401839016405 - 2¹⁸ = 9401838754261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 968870 + ... + 4443240.

It is an arithmetic number, because the mean of its divisors is an integer number (769257230148).

Almost surely, 2^{9401839016405} is an apocalyptic number.

It is an amenable number.

9401839016405 is a deficient number, since it is larger than the sum of its proper divisors (2906276665963).

9401839016405 is a wasteful number, since it uses less digits than its factorization.

9401839016405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523588.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 9401839016405 in words is "nine trillion, four hundred one billion, eight hundred thirty-nine million, sixteen thousand, four hundred five".