745289983 has 2 divisors, whose sum is σ = 745289984. Its totient is φ = 745289982.

The previous prime is 745289981. The next prime is 745290017. The reversal of 745289983 is 389982547.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 745289983 - 2¹ = 745289981 is a prime.

Together with 745289981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (745289981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372644991 + 372644992.

It is an arithmetic number, because the mean of its divisors is an integer number (372644992).

Almost surely, 2^745289983 is an apocalyptic number.

745289983 is a deficient number, since it is larger than the sum of its proper divisors (1).

745289983 is an equidigital number, since it uses as much as digits as its factorization.

745289983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 55.

The square root of 745289983 is about 27299.9996886447. Note that the first 3 decimals coincide. The cubic root of 745289983 is about 906.6543746682.

The spelling of 745289983 in words is "seven hundred forty-five million, two hundred eighty-nine thousand, nine hundred eighty-three".