7940498953 has 2 divisors, whose sum is σ = 7940498954. Its totient is φ = 7940498952.

The previous prime is 7940498927. The next prime is 7940498957. The reversal of 7940498953 is 3598940497.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7559780809 + 380718144 = 86947^2 + 19512^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7940498953 is a prime.

It is not a weakly prime, because it can be changed into another prime (7940498957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3970249476 + 3970249477.

It is an arithmetic number, because the mean of its divisors is an integer number (3970249477).

Almost surely, 2^7940498953 is an apocalyptic number.

It is an amenable number.

7940498953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7940498953 is an equidigital number, since it uses as much as digits as its factorization.

7940498953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9797760, while the sum is 58.

The square root of 7940498953 is about 89109.4773466886. The cubic root of 7940498953 is about 1995.0292354013.

The spelling of 7940498953 in words is "seven billion, nine hundred forty million, four hundred ninety-eight thousand, nine hundred fifty-three".