6623540413 has 16 divisors (see below), whose sum is σ = 7607100160. Its totient is φ = 5649388416.

The previous prime is 6623540411. The next prime is 6623540419. The reversal of 6623540413 is 3140453266.

It is not a de Polignac number, because 6623540413 - 2¹ = 6623540411 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 (6623540411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268953 + ... + 1274161.

It is an arithmetic number, because the mean of its divisors is an integer number (475443760).

Almost surely, 2^6623540413 is an apocalyptic number.

It is an amenable number.

6623540413 is a deficient number, since it is larger than the sum of its proper divisors (983559747).

6623540413 is a wasteful number, since it uses less digits than its factorization.

6623540413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6076.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 6623540413 is about 81385.1363149316. The cubic root of 6623540413 is about 1878.0049392856.

Adding to 6623540413 its reverse (3140453266), we get a palindrome (9763993679).

The spelling of 6623540413 in words is "six billion, six hundred twenty-three million, five hundred forty thousand, four hundred thirteen".