6255661499 has 4 divisors (see below), whose sum is σ = 6361689720. Its totient is φ = 6149633280.

The previous prime is 6255661493. The next prime is 6255661549. The reversal of 6255661499 is 9941665526.

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 6255661499 - 2⁴ = 6255661483 is a prime.

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 6255661499.

It is not an unprimeable number, because it can be changed into a prime (6255661493) 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, 53014022 + ... + 53014139.

It is an arithmetic number, because the mean of its divisors is an integer number (1590422430).

Almost surely, 2^6255661499 is an apocalyptic number.

6255661499 is a deficient number, since it is larger than the sum of its proper divisors (106028221).

6255661499 is a wasteful number, since it uses less digits than its factorization.

6255661499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106028220.

The product of its digits is 3499200, while the sum is 53.

The square root of 6255661499 is about 79092.7398627712. The cubic root of 6255661499 is about 1842.5717718821.

The spelling of 6255661499 in words is "six billion, two hundred fifty-five million, six hundred sixty-one thousand, four hundred ninety-nine".