609830756929 has 2 divisors, whose sum is σ = 609830756930. Its totient is φ = 609830756928.

The previous prime is 609830756863. The next prime is 609830756959. The reversal of 609830756929 is 929657038906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 513482596929 + 96348160000 = 716577^2 + 310400^2 .

It is a cyclic number.

It is not a de Polignac number, because 609830756929 - 2²¹ = 609828659777 is a prime.

It is a super-2 number, since 2×609830756929² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (609830756959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304915378464 + 304915378465.

It is an arithmetic number, because the mean of its divisors is an integer number (304915378465).

Almost surely, 2^609830756929 is an apocalyptic number.

It is an amenable number.

609830756929 is a deficient number, since it is larger than the sum of its proper divisors (1).

609830756929 is an equidigital number, since it uses as much as digits as its factorization.

609830756929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 44089920, while the sum is 64.

The spelling of 609830756929 in words is "six hundred nine billion, eight hundred thirty million, seven hundred fifty-six thousand, nine hundred twenty-nine".