2621364346123 has 4 divisors (see below), whose sum is σ = 2624216756560. Its totient is φ = 2618511935688.

The previous prime is 2621364346109. The next prime is 2621364346163. The reversal of 2621364346123 is 3216434631262.

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

It is a cyclic number.

It is not a de Polignac number, because 2621364346123 - 2¹³ = 2621364337931 is a prime.

It is a super-3 number, since 3×2621364346123³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 2621364346123.

It is not an unprimeable number, because it can be changed into a prime (2621364346163) 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, 1426203840 + ... + 1426205677.

It is an arithmetic number, because the mean of its divisors is an integer number (656054189140).

Almost surely, 2^{2621364346123} is an apocalyptic number.

2621364346123 is a deficient number, since it is larger than the sum of its proper divisors (2852410437).

2621364346123 is an equidigital number, since it uses as much as digits as its factorization.

2621364346123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2852410436.

The product of its digits is 746496, while the sum is 43.

Adding to 2621364346123 its reverse (3216434631262), we get a palindrome (5837798977385).

The spelling of 2621364346123 in words is "two trillion, six hundred twenty-one billion, three hundred sixty-four million, three hundred forty-six thousand, one hundred twenty-three".