2401533635645 has 16 divisors (see below), whose sum is σ = 2898806952960. Its totient is φ = 1909947580800.

The previous prime is 2401533635629. The next prime is 2401533635647. The reversal of 2401533635645 is 5465363351042.

It is not a de Polignac number, because 2401533635645 - 2⁴ = 2401533635629 is a prime.

It is a super-2 number, since 2×2401533635645² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2401533635645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401533635647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377365 + ... + 2588474.

It is an arithmetic number, because the mean of its divisors is an integer number (181175434560).

Almost surely, 2^{2401533635645} is an apocalyptic number.

It is an amenable number.

2401533635645 is a deficient number, since it is larger than the sum of its proper divisors (497273317315).

2401533635645 is a wasteful number, since it uses less digits than its factorization.

2401533635645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3966556.

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

Adding to 2401533635645 its reverse (5465363351042), we get a palindrome (7866896986687).

The spelling of 2401533635645 in words is "two trillion, four hundred one billion, five hundred thirty-three million, six hundred thirty-five thousand, six hundred forty-five".