6990211403 has 8 divisors (see below), whose sum is σ = 7995898080. Its totient is φ = 5986296000.

The previous prime is 6990211399. The next prime is 6990211447. The reversal of 6990211403 is 3041120996.

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

It is a cyclic number.

It is not a de Polignac number, because 6990211403 - 2² = 6990211399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6990211303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 434348 + ... + 450153.

It is an arithmetic number, because the mean of its divisors is an integer number (999487260).

Almost surely, 2^6990211403 is an apocalyptic number.

6990211403 is a deficient number, since it is larger than the sum of its proper divisors (1005686677).

6990211403 is a wasteful number, since it uses less digits than its factorization.

6990211403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885637.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 6990211403 is about 83607.4841327019. The cubic root of 6990211403 is about 1912.0391043272.

The spelling of 6990211403 in words is "six billion, nine hundred ninety million, two hundred eleven thousand, four hundred three".