2633631045545 has 8 divisors (see below), whose sum is σ = 3165686697096. Its totient is φ = 2103351874816.

The previous prime is 2633631045503. The next prime is 2633631045547. The reversal of 2633631045545 is 5455401363362.

It can be written as a sum of positive squares in 4 ways, for example, as 1003915825936 + 1629715219609 = 1001956^2 + 1276603^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2633631045545 - 2³⁶ = 2564911568809 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2633631045545.

It is not an unprimeable number, because it can be changed into a prime (2633631045547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444116942 + ... + 444122871.

It is an arithmetic number, because the mean of its divisors is an integer number (395710837137).

Almost surely, 2^{2633631045545} is an apocalyptic number.

It is an amenable number.

2633631045545 is a deficient number, since it is larger than the sum of its proper divisors (532055651551).

2633631045545 is an equidigital number, since it uses as much as digits as its factorization.

2633631045545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888240411.

The product of its (nonzero) digits is 3888000, while the sum is 47.

The spelling of 2633631045545 in words is "two trillion, six hundred thirty-three billion, six hundred thirty-one million, forty-five thousand, five hundred forty-five".