699449421715 has 16 divisors (see below), whose sum is σ = 915660275040. Its totient is φ = 508680824320.

The previous prime is 699449421709. The next prime is 699449421719. The reversal of 699449421715 is 517124944996.

It is not a de Polignac number, because 699449421715 - 2³ = 699449421707 is a prime.

It is not an unprimeable number, because it can be changed into a prime (699449421719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4179837 + ... + 4343953.

It is an arithmetic number, because the mean of its divisors is an integer number (57228767190).

Almost surely, 2^699449421715 is an apocalyptic number.

699449421715 is a deficient number, since it is larger than the sum of its proper divisors (216210853325).

699449421715 is a wasteful number, since it uses less digits than its factorization.

699449421715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241622.

The product of its digits is 19595520, while the sum is 61.

The spelling of 699449421715 in words is "six hundred ninety-nine billion, four hundred forty-nine million, four hundred twenty-one thousand, seven hundred fifteen".