6613420455 has 24 divisors (see below), whose sum is σ = 11592069840. Its totient is φ = 3487524480.

The previous prime is 6613420403. The next prime is 6613420487. The reversal of 6613420455 is 5540243166.

It is not a de Polignac number, because 6613420455 - 2⁸ = 6613420199 is a prime.

It is a super-2 number, since 2×6613420455² = 87474660229224814050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 821641 + ... + 829650.

It is an arithmetic number, because the mean of its divisors is an integer number (483002910).

Almost surely, 2^6613420455 is an apocalyptic number.

6613420455 is a deficient number, since it is larger than the sum of its proper divisors (4978649385).

6613420455 is a wasteful number, since it uses less digits than its factorization.

6613420455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1651391 (or 1651388 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 6613420455 is about 81322.9392914447. The cubic root of 6613420455 is about 1877.0479979612.

The spelling of 6613420455 in words is "six billion, six hundred thirteen million, four hundred twenty thousand, four hundred fifty-five".