699892670349 has 12 divisors (see below), whose sum is σ = 1016194196316. Its totient is φ = 464177521152.

The previous prime is 699892670311. The next prime is 699892670381. The reversal of 699892670349 is 943076298996.

It can be written as a sum of positive squares in 2 ways, for example, as 80355240900 + 619537429449 = 283470^2 + 787107^2 .

It is not a de Polignac number, because 699892670349 - 2²³ = 699884281741 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699892670549) 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, 201464202 + ... + 201467675.

It is an arithmetic number, because the mean of its divisors is an integer number (84682849693).

Almost surely, 2^699892670349 is an apocalyptic number.

It is an amenable number.

699892670349 is a deficient number, since it is larger than the sum of its proper divisors (316301525967).

699892670349 is a wasteful number, since it uses less digits than its factorization.

699892670349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402932076 (or 402932073 counting only the distinct ones).

The product of its (nonzero) digits is 317447424, while the sum is 72.

The spelling of 699892670349 in words is "six hundred ninety-nine billion, eight hundred ninety-two million, six hundred seventy thousand, three hundred forty-nine".