6996823990 has 32 divisors (see below), whose sum is σ = 13694780736. Its totient is φ = 2558355840.

The previous prime is 6996823973. The next prime is 6996824041. The reversal of 6996823990 is 993286996.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247881 + ... + 274660.

It is an arithmetic number, because the mean of its divisors is an integer number (427961898).

Almost surely, 2^6996823990 is an apocalyptic number.

6996823990 is a deficient number, since it is larger than the sum of its proper divisors (6697956746).

6996823990 is a wasteful number, since it uses less digits than its factorization.

6996823990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522664.

The product of its (nonzero) digits is 11337408, while the sum is 61.

The square root of 6996823990 is about 83647.0202099274. The cubic root of 6996823990 is about 1912.6418300274.

The spelling of 6996823990 in words is "six billion, nine hundred ninety-six million, eight hundred twenty-three thousand, nine hundred ninety".