6434624554 has 16 divisors (see below), whose sum is σ = 10061945856. Its totient is φ = 3082698000.

The previous prime is 6434624519. The next prime is 6434624587. The reversal of 6434624554 is 4554264346.

It is a self number, because there is not a number n which added to its sum of digits gives 6434624554.

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, 507522 + ... + 520045.

It is an arithmetic number, because the mean of its divisors is an integer number (628871616).

Almost surely, 2^6434624554 is an apocalyptic number.

6434624554 is a deficient number, since it is larger than the sum of its proper divisors (3627321302).

6434624554 is a wasteful number, since it uses less digits than its factorization.

6434624554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027701.

The product of its digits is 1382400, while the sum is 43.

The square root of 6434624554 is about 80216.1115612070. Note that the first 3 decimals coincide. The cubic root of 6434624554 is about 1859.9776998521.

The spelling of 6434624554 in words is "six billion, four hundred thirty-four million, six hundred twenty-four thousand, five hundred fifty-four".