699470836421 has 12 divisors (see below), whose sum is σ = 813721727232. Its totient is φ = 599508431928.

The previous prime is 699470836399. The next prime is 699470836487. The reversal of 699470836421 is 124638074996.

It is not a de Polignac number, because 699470836421 - 2⁶ = 699470836357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699470836121) 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 11 ways as a sum of consecutive naturals, for example, 342746 + ... + 1231428.

It is an arithmetic number, because the mean of its divisors is an integer number (67810143936).

Almost surely, 2^699470836421 is an apocalyptic number.

It is an amenable number.

699470836421 is a deficient number, since it is larger than the sum of its proper divisors (114250890811).

699470836421 is a wasteful number, since it uses less digits than its factorization.

699470836421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904760 (or 904753 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 699470836421 in words is "six hundred ninety-nine billion, four hundred seventy million, eight hundred thirty-six thousand, four hundred twenty-one".