42650999 has 2 divisors, whose sum is σ = 42651000. Its totient is φ = 42650998.

The previous prime is 42650983. The next prime is 42651001. The reversal of 42650999 is 99905624.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42650999 - 2⁴ = 42650983 is a prime.

Together with 42651001, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42650939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21325499 + 21325500.

It is an arithmetic number, because the mean of its divisors is an integer number (21325500).

Almost surely, 2^42650999 is an apocalyptic number.

42650999 is a deficient number, since it is larger than the sum of its proper divisors (1).

42650999 is an equidigital number, since it uses as much as digits as its factorization.

42650999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 44.

The square root of 42650999 is about 6530.7732314022. The cubic root of 42650999 is about 349.3894088845.

The spelling of 42650999 in words is "forty-two million, six hundred fifty thousand, nine hundred ninety-nine".