6614477021 has 8 divisors (see below), whose sum is σ = 6819974304. Its totient is φ = 6411328560.

The previous prime is 6614477017. The next prime is 6614477071. The reversal of 6614477021 is 1207744166.

It is a happy number.

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 6614477021 - 2² = 6614477017 is a prime.

It is a super-2 number, since 2×6614477021² = 87502612522674068882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6614477071) 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, 581486 + ... + 592751.

It is an arithmetic number, because the mean of its divisors is an integer number (852496788).

Almost surely, 2^6614477021 is an apocalyptic number.

It is an amenable number.

6614477021 is a deficient number, since it is larger than the sum of its proper divisors (205497283).

6614477021 is a wasteful number, since it uses less digits than its factorization.

6614477021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174411.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 6614477021 is about 81329.4351449707. The cubic root of 6614477021 is about 1877.1479522639.

The spelling of 6614477021 in words is "six billion, six hundred fourteen million, four hundred seventy-seven thousand, twenty-one".