6654974401 has 16 divisors (see below), whose sum is σ = 6955336080. Its totient is φ = 6361217280.

The previous prime is 6654974363. The next prime is 6654974419. The reversal of 6654974401 is 1044794566.

It can be written as a sum of positive squares in 8 ways, for example, as 233356176 + 6421618225 = 15276^2 + 80135^2 .

It is a cyclic number.

It is not a de Polignac number, because 6654974401 - 2¹⁷ = 6654843329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6654974441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881035 + ... + 2883343.

It is an arithmetic number, because the mean of its divisors is an integer number (434708505).

Almost surely, 2^6654974401 is an apocalyptic number.

6654974401 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

6654974401 is a deficient number, since it is larger than the sum of its proper divisors (300361679).

6654974401 is a wasteful number, since it uses less digits than its factorization.

6654974401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3684.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 6654974401 is about 81578.0264593352. The cubic root of 6654974401 is about 1880.9711295686.

The spelling of 6654974401 in words is "six billion, six hundred fifty-four million, nine hundred seventy-four thousand, four hundred one".