7491967573 has 2 divisors, whose sum is σ = 7491967574. Its totient is φ = 7491967572.

The previous prime is 7491967543. The next prime is 7491967631. The reversal of 7491967573 is 3757691947.

It is an a-pointer prime, because the next prime (7491967631) can be obtained adding 7491967573 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7042230724 + 449736849 = 83918^2 + 21207^2 .

It is a cyclic number.

It is not a de Polignac number, because 7491967573 - 2¹⁷ = 7491836501 is a prime.

It is a super-2 number, since 2×7491967573² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7491967543) 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, 3745983786 + 3745983787.

It is an arithmetic number, because the mean of its divisors is an integer number (3745983787).

Almost surely, 2^7491967573 is an apocalyptic number.

It is an amenable number.

7491967573 is a deficient number, since it is larger than the sum of its proper divisors (1).

7491967573 is an equidigital number, since it uses as much as digits as its factorization.

7491967573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10001880, while the sum is 58.

The square root of 7491967573 is about 86556.1527160259. The cubic root of 7491967573 is about 1956.7347734443.

The spelling of 7491967573 in words is "seven billion, four hundred ninety-one million, nine hundred sixty-seven thousand, five hundred seventy-three".