424033693 has 2 divisors, whose sum is σ = 424033694. Its totient is φ = 424033692.

The previous prime is 424033691. The next prime is 424033699. The reversal of 424033693 is 396330424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 366607609 + 57426084 = 19147^2 + 7578^2 .

It is a cyclic number.

It is not a de Polignac number, because 424033693 - 2¹ = 424033691 is a prime.

Together with 424033691, 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 (424033691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212016846 + 212016847.

It is an arithmetic number, because the mean of its divisors is an integer number (212016847).

Almost surely, 2^424033693 is an apocalyptic number.

It is an amenable number.

424033693 is a deficient number, since it is larger than the sum of its proper divisors (1).

424033693 is an equidigital number, since it uses as much as digits as its factorization.

424033693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 34.

The square root of 424033693 is about 20592.0784040854. The cubic root of 424033693 is about 751.2770497725.

The spelling of 424033693 in words is "four hundred twenty-four million, thirty-three thousand, six hundred ninety-three".