6424791655 has 8 divisors (see below), whose sum is σ = 7712635392. Its totient is φ = 5137909728.

The previous prime is 6424791647. The next prime is 6424791673. The reversal of 6424791655 is 5561974246.

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 6424791655 - 2³ = 6424791647 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6424791599 and 6424791608.

It is a congruent 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, 225672 + ... + 252541.

It is an arithmetic number, because the mean of its divisors is an integer number (964079424).

Almost surely, 2^6424791655 is an apocalyptic number.

6424791655 is a deficient number, since it is larger than the sum of its proper divisors (1287843737).

6424791655 is a wasteful number, since it uses less digits than its factorization.

6424791655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480905.

The product of its digits is 1814400, while the sum is 49.

The square root of 6424791655 is about 80154.7980784681. The cubic root of 6424791655 is about 1859.0297918293.

The spelling of 6424791655 in words is "six billion, four hundred twenty-four million, seven hundred ninety-one thousand, six hundred fifty-five".