7319642069 has 2 divisors, whose sum is σ = 7319642070. Its totient is φ = 7319642068.

The previous prime is 7319642059. The next prime is 7319642087. The reversal of 7319642069 is 9602469137.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6619775044 + 699867025 = 81362^2 + 26455^2 .

It is a cyclic number.

It is not a de Polignac number, because 7319642069 - 2⁴ = 7319642053 is a prime.

It is a super-2 number, since 2×7319642069² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7319642039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3659821034 + 3659821035.

It is an arithmetic number, because the mean of its divisors is an integer number (3659821035).

Almost surely, 2^7319642069 is an apocalyptic number.

It is an amenable number.

7319642069 is a deficient number, since it is larger than the sum of its proper divisors (1).

7319642069 is an equidigital number, since it uses as much as digits as its factorization.

7319642069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 7319642069 is about 85554.9067499930. The cubic root of 7319642069 is about 1941.6157288419.

The spelling of 7319642069 in words is "seven billion, three hundred nineteen million, six hundred forty-two thousand, sixty-nine".