7911230401 has 2 divisors, whose sum is σ = 7911230402. Its totient is φ = 7911230400.

The previous prime is 7911230339. The next prime is 7911230417. The reversal of 7911230401 is 1040321197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6569913025 + 1341317376 = 81055^2 + 36624^2 .

It is an emirp because it is prime and its reverse (1040321197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7911230401 - 2⁹ = 7911229889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7911230401.

It is not a weakly prime, because it can be changed into another prime (7911230441) by changing a digit.

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 as a sum of consecutive naturals, namely, 3955615200 + 3955615201.

It is an arithmetic number, because the mean of its divisors is an integer number (3955615201).

Almost surely, 2^7911230401 is an apocalyptic number.

It is an amenable number.

7911230401 is a deficient number, since it is larger than the sum of its proper divisors (1).

7911230401 is an equidigital number, since it uses as much as digits as its factorization.

7911230401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 7911230401 is about 88945.0976782869. The cubic root of 7911230401 is about 1992.5750022328.

Adding to 7911230401 its reverse (1040321197), we get a palindrome (8951551598).

The spelling of 7911230401 in words is "seven billion, nine hundred eleven million, two hundred thirty thousand, four hundred one".