9745069643 has 2 divisors, whose sum is σ = 9745069644. Its totient is φ = 9745069642.

The previous prime is 9745069577. The next prime is 9745069669. The reversal of 9745069643 is 3469605479.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9745069643 - 2³² = 5450102347 is a prime.

It is not a weakly prime, because it can be changed into another prime (9745069673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4872534821 + 4872534822.

It is an arithmetic number, because the mean of its divisors is an integer number (4872534822).

Almost surely, 2^9745069643 is an apocalyptic number.

9745069643 is a deficient number, since it is larger than the sum of its proper divisors (1).

9745069643 is an equidigital number, since it uses as much as digits as its factorization.

9745069643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 53.

The square root of 9745069643 is about 98717.1193005550. The cubic root of 9745069643 is about 2135.9691821402.

The spelling of 9745069643 in words is "nine billion, seven hundred forty-five million, sixty-nine thousand, six hundred forty-three".