699793459 has 2 divisors, whose sum is σ = 699793460. Its totient is φ = 699793458.

The previous prime is 699793439. The next prime is 699793463. The reversal of 699793459 is 954397996.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 699793459 - 2¹⁹ = 699269171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 699793397 and 699793406.

It is not a weakly prime, because it can be changed into another prime (699793439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349896729 + 349896730.

It is an arithmetic number, because the mean of its divisors is an integer number (349896730).

Almost surely, 2^699793459 is an apocalyptic number.

699793459 is a deficient number, since it is larger than the sum of its proper divisors (1).

699793459 is an equidigital number, since it uses as much as digits as its factorization.

699793459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16533720, while the sum is 61.

The square root of 699793459 is about 26453.6095646700. The cubic root of 699793459 is about 887.8166652568.

The spelling of 699793459 in words is "six hundred ninety-nine million, seven hundred ninety-three thousand, four hundred fifty-nine".