7216838953 has 2 divisors, whose sum is σ = 7216838954. Its totient is φ = 7216838952.

The previous prime is 7216838921. The next prime is 7216838957. The reversal of 7216838953 is 3598386127.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6097735744 + 1119103209 = 78088^2 + 33453^2 .

It is a cyclic number.

It is not a de Polignac number, because 7216838953 - 2⁵ = 7216838921 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7216838953.

It is not a weakly prime, because it can be changed into another prime (7216838957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3608419476 + 3608419477.

It is an arithmetic number, because the mean of its divisors is an integer number (3608419477).

Almost surely, 2^7216838953 is an apocalyptic number.

It is an amenable number.

7216838953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7216838953 is an equidigital number, since it uses as much as digits as its factorization.

7216838953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2177280, while the sum is 52.

The square root of 7216838953 is about 84951.9802770954. The cubic root of 7216838953 is about 1932.4829518514.

The spelling of 7216838953 in words is "seven billion, two hundred sixteen million, eight hundred thirty-eight thousand, nine hundred fifty-three".