2621495985343 has 4 divisors (see below), whose sum is σ = 2621510628208. Its totient is φ = 2621481342480.

The previous prime is 2621495985341. The next prime is 2621495985391. The reversal of 2621495985343 is 3435895941262.

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 2621495985343 - 2¹ = 2621495985341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2621495985341) 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, 7049523 + ... + 7412068.

It is an arithmetic number, because the mean of its divisors is an integer number (655377657052).

Almost surely, 2^{2621495985343} is an apocalyptic number.

2621495985343 is a deficient number, since it is larger than the sum of its proper divisors (14642865).

2621495985343 is a wasteful number, since it uses less digits than its factorization.

2621495985343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14642864.

The product of its digits is 55987200, while the sum is 61.

The spelling of 2621495985343 in words is "two trillion, six hundred twenty-one billion, four hundred ninety-five million, nine hundred eighty-five thousand, three hundred forty-three".