8146373942401 has 4 divisors (see below), whose sum is σ = 8146383091972. Its totient is φ = 8146364792832.

The previous prime is 8146373942363. The next prime is 8146373942423. The reversal of 8146373942401 is 1042493736418.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5312955850225 + 2833418092176 = 2304985^2 + 1683276^2 .

It is a cyclic number.

It is not a de Polignac number, because 8146373942401 - 2¹⁵ = 8146373909633 is a prime.

It is a super-2 number, since 2×8146373942401² (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 (8146373942801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3075456 + ... + 5074561.

It is an arithmetic number, because the mean of its divisors is an integer number (2036595772993).

Almost surely, 2^{8146373942401} is an apocalyptic number.

It is an amenable number.

8146373942401 is a deficient number, since it is larger than the sum of its proper divisors (9149571).

8146373942401 is an equidigital number, since it uses as much as digits as its factorization.

8146373942401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9149570.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 8146373942401 in words is "eight trillion, one hundred forty-six billion, three hundred seventy-three million, nine hundred forty-two thousand, four hundred one".