6696690001 has 4 divisors (see below), whose sum is σ = 6747809904. Its totient is φ = 6645570100.

The previous prime is 6696689971. The next prime is 6696690067. The reversal of 6696690001 is 1000966966.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6696690001 - 2⁷ = 6696689873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6696690001.

It is not an unprimeable number, because it can be changed into a prime (6696630001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25559755 + ... + 25560016.

It is an arithmetic number, because the mean of its divisors is an integer number (1686952476).

Almost surely, 2^6696690001 is an apocalyptic number.

It is an amenable number.

6696690001 is a deficient number, since it is larger than the sum of its proper divisors (51119903).

6696690001 is a wasteful number, since it uses less digits than its factorization.

6696690001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51119902.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 6696690001 is about 81833.3061839738. The cubic root of 6696690001 is about 1884.8931310209.

The spelling of 6696690001 in words is "six billion, six hundred ninety-six million, six hundred ninety thousand, one".