45019699 has 2 divisors, whose sum is σ = 45019700. Its totient is φ = 45019698.

The previous prime is 45019697. The next prime is 45019703. The reversal of 45019699 is 99691054.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45019699 - 2¹ = 45019697 is a prime.

Together with 45019697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (45019691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22509849 + 22509850.

It is an arithmetic number, because the mean of its divisors is an integer number (22509850).

Almost surely, 2^45019699 is an apocalyptic number.

45019699 is a deficient number, since it is larger than the sum of its proper divisors (1).

45019699 is an equidigital number, since it uses as much as digits as its factorization.

45019699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 45019699 is about 6709.6720486176. The cubic root of 45019699 is about 355.7412245376.

The spelling of 45019699 in words is "forty-five million, nineteen thousand, six hundred ninety-nine".