698901799 has 2 divisors, whose sum is σ = 698901800. Its totient is φ = 698901798.

The previous prime is 698901779. The next prime is 698901803. The reversal of 698901799 is 997109896.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 698901799 - 2¹³ = 698893607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (698901779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349450899 + 349450900.

It is an arithmetic number, because the mean of its divisors is an integer number (349450900).

Almost surely, 2^698901799 is an apocalyptic number.

698901799 is a deficient number, since it is larger than the sum of its proper divisors (1).

698901799 is an equidigital number, since it uses as much as digits as its factorization.

698901799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2204496, while the sum is 58.

The square root of 698901799 is about 26436.7509161016. The cubic root of 698901799 is about 887.4394267724.

The spelling of 698901799 in words is "six hundred ninety-eight million, nine hundred one thousand, seven hundred ninety-nine".