624604541401 has 4 divisors (see below), whose sum is σ = 624619735204. Its totient is φ = 624589347600.

The previous prime is 624604541399. The next prime is 624604541411. The reversal of 624604541401 is 104145406426.

It is a happy number.

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 61127617600 + 563476923801 = 247240^2 + 750651^2 .

It is a cyclic number.

It is not a de Polignac number, because 624604541401 - 2¹ = 624604541399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (624604541411) 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, 7535070 + ... + 7617511.

It is an arithmetic number, because the mean of its divisors is an integer number (156154933801).

Almost surely, 2^624604541401 is an apocalyptic number.

It is an amenable number.

624604541401 is a deficient number, since it is larger than the sum of its proper divisors (15193803).

624604541401 is a wasteful number, since it uses less digits than its factorization.

624604541401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15193802.

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 624604541401 its reverse (104145406426), we get a palindrome (728749947827).

The spelling of 624604541401 in words is "six hundred twenty-four billion, six hundred four million, five hundred forty-one thousand, four hundred one".