698923065 has 16 divisors (see below), whose sum is σ = 1122634368. Its totient is φ = 371306496.

The previous prime is 698923013. The next prime is 698923067. The reversal of 698923065 is 560329896.

It is not a de Polignac number, because 698923065 - 2¹⁶ = 698857529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (698923067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86797 + ... + 94506.

It is an arithmetic number, because the mean of its divisors is an integer number (70164648).

Almost surely, 2^698923065 is an apocalyptic number.

It is an amenable number.

698923065 is a deficient number, since it is larger than the sum of its proper divisors (423711303).

698923065 is a wasteful number, since it uses less digits than its factorization.

698923065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181568.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 698923065 is about 26437.1531182917. The cubic root of 698923065 is about 887.4484276056.

The spelling of 698923065 in words is "six hundred ninety-eight million, nine hundred twenty-three thousand, sixty-five".