6621741003764 has 12 divisors (see below), whose sum is σ = 12269696565924. Its totient is φ = 3116113413504.

The previous prime is 6621741003763. The next prime is 6621741003767. The reversal of 6621741003764 is 4673001471266.

It can be written as a sum of positive squares in 2 ways, for example, as 2294891712100 + 4326849291664 = 1514890^2 + 2080108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6621741003763) 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, 48689272019 + ... + 48689272154.

It is an arithmetic number, because the mean of its divisors is an integer number (1022474713827).

Almost surely, 2^{6621741003764} is an apocalyptic number.

It is an amenable number.

6621741003764 is a deficient number, since it is larger than the sum of its proper divisors (5647955562160).

6621741003764 is a wasteful number, since it uses less digits than its factorization.

6621741003764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97378544194 (or 97378544192 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 6621741003764 in words is "six trillion, six hundred twenty-one billion, seven hundred forty-one million, three thousand, seven hundred sixty-four".