6994629971 has 8 divisors (see below), whose sum is σ = 8188835424. Its totient is φ = 5849167680.

The previous prime is 6994629947. The next prime is 6994629979. The reversal of 6994629971 is 1799264996.

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 6994629971 - 2³⁰ = 5920888147 is a prime.

It is a super-2 number, since 2×6994629971² = 97849696862422921682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6994629979) 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, 12185480 + ... + 12186053.

It is an arithmetic number, because the mean of its divisors is an integer number (1023604428).

Almost surely, 2^6994629971 is an apocalyptic number.

6994629971 is a deficient number, since it is larger than the sum of its proper divisors (1194205453).

6994629971 is a wasteful number, since it uses less digits than its factorization.

6994629971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24371581.

The product of its digits is 13226976, while the sum is 62.

The square root of 6994629971 is about 83633.9044347446. The cubic root of 6994629971 is about 1912.4418911588.

The spelling of 6994629971 in words is "six billion, nine hundred ninety-four million, six hundred twenty-nine thousand, nine hundred seventy-one".