5326603641621 has 24 divisors (see below), whose sum is σ = 7751460038400. Its totient is φ = 3524577185376.

The previous prime is 5326603641547. The next prime is 5326603641637. The reversal of 5326603641621 is 1261463066235.

5326603641621 is a `hidden beast` number, since 5 + 3 + 2 + 6 + 603 + 6 + 4 + 16 + 21 = 666.

It is not a de Polignac number, because 5326603641621 - 2¹⁷ = 5326603510549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5326603646621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 282856 + ... + 3276158.

It is an arithmetic number, because the mean of its divisors is an integer number (322977501600).

Almost surely, 2^{5326603641621} is an apocalyptic number.

It is an amenable number.

5326603641621 is a deficient number, since it is larger than the sum of its proper divisors (2424856396779).

5326603641621 is a wasteful number, since it uses less digits than its factorization.

5326603641621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2994785 (or 2994782 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 45.

The spelling of 5326603641621 in words is "five trillion, three hundred twenty-six billion, six hundred three million, six hundred forty-one thousand, six hundred twenty-one".