609702493 has 2 divisors, whose sum is σ = 609702494. Its totient is φ = 609702492.

The previous prime is 609702491. The next prime is 609702553. The reversal of 609702493 is 394207906.

609702493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607228164 + 2474329 = 24642^2 + 1573^2 .

It is a cyclic number.

It is not a de Polignac number, because 609702493 - 2¹ = 609702491 is a prime.

Together with 609702491, 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 (609702491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304851246 + 304851247.

It is an arithmetic number, because the mean of its divisors is an integer number (304851247).

Almost surely, 2^609702493 is an apocalyptic number.

It is an amenable number.

609702493 is a deficient number, since it is larger than the sum of its proper divisors (1).

609702493 is an equidigital number, since it uses as much as digits as its factorization.

609702493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 609702493 is about 24692.1544827502. The cubic root of 609702493 is about 847.9547102051.

The spelling of 609702493 in words is "six hundred nine million, seven hundred two thousand, four hundred ninety-three".