7954389673 has 2 divisors, whose sum is σ = 7954389674. Its totient is φ = 7954389672.

The previous prime is 7954389661. The next prime is 7954389679. The reversal of 7954389673 is 3769834597.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6777076329 + 1177313344 = 82323^2 + 34312^2 .

It is a cyclic number.

It is not a de Polignac number, because 7954389673 - 2¹⁷ = 7954258601 is a prime.

It is not a weakly prime, because it can be changed into another prime (7954389679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3977194836 + 3977194837.

It is an arithmetic number, because the mean of its divisors is an integer number (3977194837).

Almost surely, 2^7954389673 is an apocalyptic number.

It is an amenable number.

7954389673 is a deficient number, since it is larger than the sum of its proper divisors (1).

7954389673 is an equidigital number, since it uses as much as digits as its factorization.

7954389673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34292160, while the sum is 61.

The square root of 7954389673 is about 89187.3851674103. The cubic root of 7954389673 is about 1996.1918931799.

The spelling of 7954389673 in words is "seven billion, nine hundred fifty-four million, three hundred eighty-nine thousand, six hundred seventy-three".