9905210315401 has 4 divisors (see below), whose sum is σ = 9912674680192. Its totient is φ = 9897745950612.

The previous prime is 9905210315387. The next prime is 9905210315417. The reversal of 9905210315401 is 1045130125099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9905210315401 - 2¹¹ = 9905210313353 is a prime.

It is a super-2 number, since 2×9905210315401² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9905210315101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3732180405 + ... + 3732183058.

It is an arithmetic number, because the mean of its divisors is an integer number (2478168670048).

Almost surely, 2^{9905210315401} is an apocalyptic number.

It is an amenable number.

9905210315401 is a deficient number, since it is larger than the sum of its proper divisors (7464364791).

9905210315401 is a wasteful number, since it uses less digits than its factorization.

9905210315401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464364790.

The product of its (nonzero) digits is 48600, while the sum is 40.

The spelling of 9905210315401 in words is "nine trillion, nine hundred five billion, two hundred ten million, three hundred fifteen thousand, four hundred one".