690069071719 has 2 divisors, whose sum is σ = 690069071720. Its totient is φ = 690069071718.

The previous prime is 690069071717. The next prime is 690069071723. The reversal of 690069071719 is 917170960096.

690069071719 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 is a cyclic number.

It is not a de Polignac number, because 690069071719 - 2¹ = 690069071717 is a prime.

It is a super-2 number, since 2×690069071719² (a number of 24 digits) contains 22 as substring.

Together with 690069071717, 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 690069071719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (690069071717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345034535859 + 345034535860.

It is an arithmetic number, because the mean of its divisors is an integer number (345034535860).

Almost surely, 2^690069071719 is an apocalyptic number.

690069071719 is a deficient number, since it is larger than the sum of its proper divisors (1).

690069071719 is an equidigital number, since it uses as much as digits as its factorization.

690069071719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1285956, while the sum is 55.

The spelling of 690069071719 in words is "six hundred ninety billion, sixty-nine million, seventy-one thousand, seven hundred nineteen".