705535420969 has 2 divisors, whose sum is σ = 705535420970. Its totient is φ = 705535420968.

The previous prime is 705535420853. The next prime is 705535420991. The reversal of 705535420969 is 969024535507.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 684557664400 + 20977756569 = 827380^2 + 144837^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-705535420969 is a prime.

It is a super-2 number, since 2×705535420969² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (705535423969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352767710484 + 352767710485.

It is an arithmetic number, because the mean of its divisors is an integer number (352767710485).

Almost surely, 2^705535420969 is an apocalyptic number.

It is an amenable number.

705535420969 is a deficient number, since it is larger than the sum of its proper divisors (1).

705535420969 is an equidigital number, since it uses as much as digits as its factorization.

705535420969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206000, while the sum is 55.

The spelling of 705535420969 in words is "seven hundred five billion, five hundred thirty-five million, four hundred twenty thousand, nine hundred sixty-nine".