7932973549 has 2 divisors, whose sum is σ = 7932973550. Its totient is φ = 7932973548.

The previous prime is 7932973547. The next prime is 7932973553. The reversal of 7932973549 is 9453792397.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7347575524 + 585398025 = 85718^2 + 24195^2 .

It is a cyclic number.

It is not a de Polignac number, because 7932973549 - 2¹ = 7932973547 is a prime.

Together with 7932973547, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7932973493 and 7932973502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7932973547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3966486774 + 3966486775.

It is an arithmetic number, because the mean of its divisors is an integer number (3966486775).

Almost surely, 2^7932973549 is an apocalyptic number.

It is an amenable number.

7932973549 is a deficient number, since it is larger than the sum of its proper divisors (1).

7932973549 is an equidigital number, since it uses as much as digits as its factorization.

7932973549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12859560, while the sum is 58.

The square root of 7932973549 is about 89067.2417278092. The cubic root of 7932973549 is about 1994.3987902857.

The spelling of 7932973549 in words is "seven billion, nine hundred thirty-two million, nine hundred seventy-three thousand, five hundred forty-nine".