609151693 has 2 divisors, whose sum is σ = 609151694. Its totient is φ = 609151692.

The previous prime is 609151651. The next prime is 609151747. The reversal of 609151693 is 396151906.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601328484 + 7823209 = 24522^2 + 2797^2 .

It is a cyclic number.

It is not a de Polignac number, because 609151693 - 2²⁵ = 575597261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609151603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304575846 + 304575847.

It is an arithmetic number, because the mean of its divisors is an integer number (304575847).

Almost surely, 2^609151693 is an apocalyptic number.

It is an amenable number.

609151693 is a deficient number, since it is larger than the sum of its proper divisors (1).

609151693 is an equidigital number, since it uses as much as digits as its factorization.

609151693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 609151693 is about 24680.9986224221. The cubic root of 609151693 is about 847.6992882715.

The spelling of 609151693 in words is "six hundred nine million, one hundred fifty-one thousand, six hundred ninety-three".