7493111953 has 2 divisors, whose sum is σ = 7493111954. Its totient is φ = 7493111952.

The previous prime is 7493111933. The next prime is 7493111993. The reversal of 7493111953 is 3591113947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7321711489 + 171400464 = 85567^2 + 13092^2 .

It is a cyclic number.

It is not a de Polignac number, because 7493111953 - 2¹⁷ = 7492980881 is a prime.

It is a super-2 number, since 2×7493111953² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7493111933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3746555976 + 3746555977.

It is an arithmetic number, because the mean of its divisors is an integer number (3746555977).

Almost surely, 2^7493111953 is an apocalyptic number.

It is an amenable number.

7493111953 is a deficient number, since it is larger than the sum of its proper divisors (1).

7493111953 is an equidigital number, since it uses as much as digits as its factorization.

7493111953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 102060, while the sum is 43.

The square root of 7493111953 is about 86562.7630855208. The cubic root of 7493111953 is about 1956.8343972131.

The spelling of 7493111953 in words is "seven billion, four hundred ninety-three million, one hundred eleven thousand, nine hundred fifty-three".