7550457643 has 2 divisors, whose sum is σ = 7550457644. Its totient is φ = 7550457642.

The previous prime is 7550457587. The next prime is 7550457679. The reversal of 7550457643 is 3467540557.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7550457643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7550457593 and 7550457602.

It is not a weakly prime, because it can be changed into another prime (7550457683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3775228821 + 3775228822.

It is an arithmetic number, because the mean of its divisors is an integer number (3775228822).

Almost surely, 2^7550457643 is an apocalyptic number.

7550457643 is a deficient number, since it is larger than the sum of its proper divisors (1).

7550457643 is an equidigital number, since it uses as much as digits as its factorization.

7550457643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764000, while the sum is 46.

The square root of 7550457643 is about 86893.3693845509. The cubic root of 7550457643 is about 1961.8136796442.

The spelling of 7550457643 in words is "seven billion, five hundred fifty million, four hundred fifty-seven thousand, six hundred forty-three".