9927814161401 has 2 divisors, whose sum is σ = 9927814161402. Its totient is φ = 9927814161400.

The previous prime is 9927814161341. The next prime is 9927814161407. The reversal of 9927814161401 is 1041614187299.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8725170745600 + 1202643415801 = 2953840^2 + 1096651^2 .

It is a cyclic number.

It is not a de Polignac number, because 9927814161401 - 2²⁶ = 9927747052537 is a prime.

It is a super-2 number, since 2×9927814161401² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9927814161407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4963907080700 + 4963907080701.

It is an arithmetic number, because the mean of its divisors is an integer number (4963907080701).

Almost surely, 2^{9927814161401} is an apocalyptic number.

It is an amenable number.

9927814161401 is a deficient number, since it is larger than the sum of its proper divisors (1).

9927814161401 is an equidigital number, since it uses as much as digits as its factorization.

9927814161401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 53.

The spelling of 9927814161401 in words is "nine trillion, nine hundred twenty-seven billion, eight hundred fourteen million, one hundred sixty-one thousand, four hundred one".