7947901441 has 2 divisors, whose sum is σ = 7947901442. Its totient is φ = 7947901440.

The previous prime is 7947901417. The next prime is 7947901447. The reversal of 7947901441 is 1441097497.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6150480625 + 1797420816 = 78425^2 + 42396^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7947901441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7947901391 and 7947901400.

It is not a weakly prime, because it can be changed into another prime (7947901447) 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 as a sum of consecutive naturals, namely, 3973950720 + 3973950721.

It is an arithmetic number, because the mean of its divisors is an integer number (3973950721).

Almost surely, 2^7947901441 is an apocalyptic number.

It is an amenable number.

7947901441 is a deficient number, since it is larger than the sum of its proper divisors (1).

7947901441 is an equidigital number, since it uses as much as digits as its factorization.

7947901441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 7947901441 is about 89151.0035894156. The cubic root of 7947901441 is about 1995.6489946571.

The spelling of 7947901441 in words is "seven billion, nine hundred forty-seven million, nine hundred one thousand, four hundred forty-one".