7953873481 has 2 divisors, whose sum is σ = 7953873482. Its totient is φ = 7953873480.

The previous prime is 7953873469. The next prime is 7953873491. The reversal of 7953873481 is 1843783597.

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., 4880279881 + 3073593600 = 69859^2 + 55440^2 .

It is a cyclic number.

It is not a de Polignac number, because 7953873481 - 2⁷ = 7953873353 is a prime.

It is a super-2 number, since 2×7953873481² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7953873401) 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, 3976936740 + 3976936741.

It is an arithmetic number, because the mean of its divisors is an integer number (3976936741).

Almost surely, 2^7953873481 is an apocalyptic number.

It is an amenable number.

7953873481 is a deficient number, since it is larger than the sum of its proper divisors (1).

7953873481 is an equidigital number, since it uses as much as digits as its factorization.

7953873481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 55.

The square root of 7953873481 is about 89184.4912582900. The cubic root of 7953873481 is about 1996.1487119672.

The spelling of 7953873481 in words is "seven billion, nine hundred fifty-three million, eight hundred seventy-three thousand, four hundred eighty-one".