6602454644 has 6 divisors (see below), whose sum is σ = 11554295634. Its totient is φ = 3301227320.

The previous prime is 6602454641. The next prime is 6602454653. The reversal of 6602454644 is 4464542066.

It can be written as a sum of positive squares in only one way, i.e., 6080880400 + 521574244 = 77980^2 + 22838^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6602454641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825306827 + ... + 825306834.

It is an arithmetic number, because the mean of its divisors is an integer number (1925715939).

Almost surely, 2^6602454644 is an apocalyptic number.

It is an amenable number.

6602454644 is a deficient number, since it is larger than the sum of its proper divisors (4951840990).

6602454644 is a wasteful number, since it uses less digits than its factorization.

6602454644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650613665 (or 1650613663 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 41.

The square root of 6602454644 is about 81255.4899314502. The cubic root of 6602454644 is about 1876.0099702751.

The spelling of 6602454644 in words is "six billion, six hundred two million, four hundred fifty-four thousand, six hundred forty-four".