6413155505 has 8 divisors (see below), whose sum is σ = 7735662312. Its totient is φ = 5103940608.

The previous prime is 6413155487. The next prime is 6413155523. The reversal of 6413155505 is 5055513146.

It is an interprime number because it is at equal distance from previous prime (6413155487) and next prime (6413155523).

It can be written as a sum of positive squares in 4 ways, for example, as 469979041 + 5943176464 = 21679^2 + 77092^2 .

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 6413155505 - 2³² = 2118188209 is a prime.

It is a super-2 number, since 2×6413155505² = 82257127062623610050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3321914 + ... + 3323843.

It is an arithmetic number, because the mean of its divisors is an integer number (966957789).

Almost surely, 2^6413155505 is an apocalyptic number.

It is an amenable number.

6413155505 is a deficient number, since it is larger than the sum of its proper divisors (1322506807).

6413155505 is a wasteful number, since it uses less digits than its factorization.

6413155505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645955.

The product of its (nonzero) digits is 45000, while the sum is 35.

The square root of 6413155505 is about 80082.1796968589. The cubic root of 6413155505 is about 1857.9067970680.

The spelling of 6413155505 in words is "six billion, four hundred thirteen million, one hundred fifty-five thousand, five hundred five".