699648842 has 8 divisors (see below), whose sum is σ = 1057737216. Its totient is φ = 347069772.

The previous prime is 699648823. The next prime is 699648857. The reversal of 699648842 is 248846996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-4 number, since 4×699648842⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377008 + ... + 1377515.

It is an arithmetic number, because the mean of its divisors is an integer number (132217152).

Almost surely, 2^699648842 is an apocalyptic number.

699648842 is a deficient number, since it is larger than the sum of its proper divisors (358088374).

699648842 is a wasteful number, since it uses less digits than its factorization.

699648842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754652.

The product of its digits is 5971968, while the sum is 56.

The square root of 699648842 is about 26450.8760157391. The cubic root of 699648842 is about 887.7555032923.

The spelling of 699648842 in words is "six hundred ninety-nine million, six hundred forty-eight thousand, eight hundred forty-two".