7550457697 has 2 divisors, whose sum is σ = 7550457698. Its totient is φ = 7550457696.

The previous prime is 7550457683. The next prime is 7550457727. The reversal of 7550457697 is 7967540557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7156990801 + 393466896 = 84599^2 + 19836^2 .

It is an emirp because it is prime and its reverse (7967540557) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7550457697 - 2⁷ = 7550457569 is a prime.

It is a super-2 number, since 2×7550457697² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7550457097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3775228848 + 3775228849.

It is an arithmetic number, because the mean of its divisors is an integer number (3775228849).

Almost surely, 2^7550457697 is an apocalyptic number.

It is an amenable number.

7550457697 is a deficient number, since it is larger than the sum of its proper divisors (1).

7550457697 is an equidigital number, since it uses as much as digits as its factorization.

7550457697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9261000, while the sum is 55.

The square root of 7550457697 is about 86893.3696952765. The cubic root of 7550457697 is about 1961.8136843210.

The spelling of 7550457697 in words is "seven billion, five hundred fifty million, four hundred fifty-seven thousand, six hundred ninety-seven".