45646351036621 has 2 divisors, whose sum is σ = 45646351036622. Its totient is φ = 45646351036620.

The previous prime is 45646351036613. The next prime is 45646351036633. The reversal of 45646351036621 is 12663015364654.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34746191268100 + 10900159768521 = 5894590^2 + 3301539^2 .

It is a cyclic number.

It is not a de Polignac number, because 45646351036621 - 2³ = 45646351036613 is a prime.

It is a super-3 number, since 3×45646351036621³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45646351036021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22823175518310 + 22823175518311.

It is an arithmetic number, because the mean of its divisors is an integer number (22823175518311).

Almost surely, 2^{45646351036621} is an apocalyptic number.

It is an amenable number.

45646351036621 is a deficient number, since it is larger than the sum of its proper divisors (1).

45646351036621 is an equidigital number, since it uses as much as digits as its factorization.

45646351036621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 52.

The spelling of 45646351036621 in words is "forty-five trillion, six hundred forty-six billion, three hundred fifty-one million, thirty-six thousand, six hundred twenty-one".