6621695084 has 12 divisors (see below), whose sum is σ = 11901154944. Its totient is φ = 3221365104.

The previous prime is 6621695083. The next prime is 6621695137. The reversal of 6621695084 is 4805961266.

It is not an unprimeable number, because it can be changed into a prime (6621695083) 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, 22370444 + ... + 22370739.

It is an arithmetic number, because the mean of its divisors is an integer number (991762912).

Almost surely, 2^6621695084 is an apocalyptic number.

It is an amenable number.

6621695084 is a deficient number, since it is larger than the sum of its proper divisors (5279459860).

6621695084 is a wasteful number, since it uses less digits than its factorization.

6621695084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44741224 (or 44741222 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 6621695084 is about 81373.7985103313. The cubic root of 6621695084 is about 1877.8305180222.

The spelling of 6621695084 in words is "six billion, six hundred twenty-one million, six hundred ninety-five thousand, eighty-four".