745046899 has 2 divisors, whose sum is σ = 745046900. Its totient is φ = 745046898.

The previous prime is 745046881. The next prime is 745046903. The reversal of 745046899 is 998640547.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 745046899 - 2¹⁷ = 744915827 is a prime.

It is not a weakly prime, because it can be changed into another prime (745046299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 372523449 + 372523450.

It is an arithmetic number, because the mean of its divisors is an integer number (372523450).

Almost surely, 2^745046899 is an apocalyptic number.

745046899 is a deficient number, since it is larger than the sum of its proper divisors (1).

745046899 is an equidigital number, since it uses as much as digits as its factorization.

745046899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 52.

The square root of 745046899 is about 27295.5472375990. The cubic root of 745046899 is about 906.5557923970. Note that the first 3 decimals are identical.

The spelling of 745046899 in words is "seven hundred forty-five million, forty-six thousand, eight hundred ninety-nine".