6738809554 has 8 divisors (see below), whose sum is σ = 10702815228. Its totient is φ = 3171204480.

The previous prime is 6738809531. The next prime is 6738809557. The reversal of 6738809554 is 4559088376.

It can be written as a sum of positive squares in 2 ways, for example, as 6736633929 + 2175625 = 82077^2 + 1475^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 6738809495 and 6738809504.

It is not an unprimeable number, because it can be changed into a prime (6738809557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99100107 + ... + 99100174.

Almost surely, 2^6738809554 is an apocalyptic number.

6738809554 is a deficient number, since it is larger than the sum of its proper divisors (3964005674).

6738809554 is a wasteful number, since it uses less digits than its factorization.

6738809554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198200300.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The square root of 6738809554 is about 82090.2524907799. The cubic root of 6738809554 is about 1888.8366209894.

The spelling of 6738809554 in words is "six billion, seven hundred thirty-eight million, eight hundred nine thousand, five hundred fifty-four".