6474553681 has 8 divisors (see below), whose sum is σ = 6491112320. Its totient is φ = 6458015952.

The previous prime is 6474553651. The next prime is 6474553699. The reversal of 6474553681 is 1863554746.

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 6474553681 - 2²³ = 6466165073 is a prime.

It is a super-2 number, since 2×6474553681² = 83839690736301299522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6474553621) 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, 746536 + ... + 755158.

It is an arithmetic number, because the mean of its divisors is an integer number (811389040).

Almost surely, 2^6474553681 is an apocalyptic number.

It is an amenable number.

6474553681 is a deficient number, since it is larger than the sum of its proper divisors (16558639).

6474553681 is a wasteful number, since it uses less digits than its factorization.

6474553681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10455.

The product of its digits is 2419200, while the sum is 49.

The square root of 6474553681 is about 80464.6113580374. The cubic root of 6474553681 is about 1863.8170429921.

The spelling of 6474553681 in words is "six billion, four hundred seventy-four million, five hundred fifty-three thousand, six hundred eighty-one".