699428674648 has 64 divisors (see below), whose sum is σ = 1493021963520. Its totient is φ = 304064745600.

The previous prime is 699428674643. The next prime is 699428674649. The reversal of 699428674648 is 846476824996.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (699428674643) 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, 26644986 + ... + 26671222.

It is an arithmetic number, because the mean of its divisors is an integer number (23328468180).

Almost surely, 2^699428674648 is an apocalyptic number.

It is an amenable number.

699428674648 is an abundant number, since it is smaller than the sum of its proper divisors (793593288872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

699428674648 is a wasteful number, since it uses less digits than its factorization.

699428674648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39448 (or 39444 counting only the distinct ones).

The product of its digits is 1003290624, while the sum is 73.

The spelling of 699428674648 in words is "six hundred ninety-nine billion, four hundred twenty-eight million, six hundred seventy-four thousand, six hundred forty-eight".