306587472769 has 2 divisors, whose sum is σ = 306587472770. Its totient is φ = 306587472768.

The previous prime is 306587472767. The next prime is 306587472827. The reversal of 306587472769 is 967274785603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206897619600 + 99689853169 = 454860^2 + 315737^2 .

It is a cyclic number.

It is not a de Polignac number, because 306587472769 - 2¹ = 306587472767 is a prime.

It is a super-2 number, since 2×306587472769² (a number of 24 digits) contains 22 as substring.

Together with 306587472767, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 306587472769.

It is not a weakly prime, because it can be changed into another prime (306587472767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153293736384 + 153293736385.

It is an arithmetic number, because the mean of its divisors is an integer number (153293736385).

Almost surely, 2^306587472769 is an apocalyptic number.

It is an amenable number.

306587472769 is a deficient number, since it is larger than the sum of its proper divisors (1).

306587472769 is an equidigital number, since it uses as much as digits as its factorization.

306587472769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 106686720, while the sum is 64.

The spelling of 306587472769 in words is "three hundred six billion, five hundred eighty-seven million, four hundred seventy-two thousand, seven hundred sixty-nine".