699430379 has 2 divisors, whose sum is σ = 699430380. Its totient is φ = 699430378.

The previous prime is 699430373. The next prime is 699430421. The reversal of 699430379 is 973034996.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 699430379 - 2²⁴ = 682653163 is a prime.

It is not a weakly prime, because it can be changed into another prime (699430373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349715189 + 349715190.

It is an arithmetic number, because the mean of its divisors is an integer number (349715190).

Almost surely, 2^699430379 is an apocalyptic number.

699430379 is a deficient number, since it is larger than the sum of its proper divisors (1).

699430379 is an equidigital number, since it uses as much as digits as its factorization.

699430379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1102248, while the sum is 50.

The square root of 699430379 is about 26446.7460947467. The cubic root of 699430379 is about 887.6630941158.

It can be divided in two parts, 6994 and 30379, that added together give a palindrome (37373).

The spelling of 699430379 in words is "six hundred ninety-nine million, four hundred thirty thousand, three hundred seventy-nine".