3624561875401 has 4 divisors (see below), whose sum is σ = 3624582300100. Its totient is φ = 3624541450704.

The previous prime is 3624561875399. The next prime is 3624561875419. The reversal of 3624561875401 is 1045781654263.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2850100274176 + 774461601225 = 1688224^2 + 880035^2 .

It is a cyclic number.

It is not a de Polignac number, because 3624561875401 - 2¹ = 3624561875399 is a prime.

It is a super-2 number, since 2×3624561875401² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3624561875461) 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, 9943806 + ... + 10301863.

It is an arithmetic number, because the mean of its divisors is an integer number (906145575025).

Almost surely, 2^{3624561875401} is an apocalyptic number.

It is an amenable number.

3624561875401 is a deficient number, since it is larger than the sum of its proper divisors (20424699).

3624561875401 is a wasteful number, since it uses less digits than its factorization.

3624561875401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20424698.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 3624561875401 in words is "three trillion, six hundred twenty-four billion, five hundred sixty-one million, eight hundred seventy-five thousand, four hundred one".