2620404544541 has 8 divisors (see below), whose sum is σ = 3032656254720. Its totient is φ = 2217629885328.

The previous prime is 2620404544529. The next prime is 2620404544547. The reversal of 2620404544541 is 1454454040262.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2620404544541 is a prime.

It is a super-2 number, since 2×2620404544541² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2620404544547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369262146 + ... + 2369263251.

It is an arithmetic number, because the mean of its divisors is an integer number (379082031840).

Almost surely, 2^{2620404544541} is an apocalyptic number.

It is an amenable number.

2620404544541 is a deficient number, since it is larger than the sum of its proper divisors (412251710179).

2620404544541 is an equidigital number, since it uses as much as digits as its factorization.

2620404544541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4738525483.

The product of its (nonzero) digits is 614400, while the sum is 41.

The spelling of 2620404544541 in words is "two trillion, six hundred twenty billion, four hundred four million, five hundred forty-four thousand, five hundred forty-one".